Horsepower to speed calculator motorcycle. Add your motorcycle specs for Free.

Horsepower to speed calculator motorcycle Weight: The weight of the vehicle in pounds (lbs). The Colorado Sportbike Club Speed Calculator Determine your motorcycle's speed in a specific gear at a certain RPM Thinking about changing your sprocket gearing but wondering how it's going to affect your top-end? Or, do you want to know your bikes top-speed without breaking the law? This page can help! To use this calculator, you will need the Primary Reduction Ratio, Final Reduction Ratio Free Online motorcycle horsepower reference. How to Use a Motorcycle Top Speed Calculator? Using a motorcycle top speed calculator is easy. 40 for most vehicles. If a car has a higher power output per pound than another vehicle, it will be able to accelerate that pound of weight more quickly. This easy online sprocket calculator will help you determine the effect that different sprockets will have on your motorbike and help you calculate the best sprocket sizes for your riding style. Aug 31, 2017 · Horsepower (as it relates to motorcycle, cars, and anything motorized for that matter) is an interesting word. This calculator will show you your speed in each gear from everything from a stock bike to an all out drag bike with a separate jackshaft as well as the one we love the most, the Bonneville racer. The horsepower to speed conversion is an estimation of a vehicle's speed based on its engine horsepower and weight. This calculator computes the estimated engine or motor horsepower from trap speed. *Note: Assuming a 20% drive train loss. What is the Power-to-Weight Ratio? The power-to-weight ratio indicates how much power a vehicle generates relative to its weight. The wheel horsepower number is typically 20%-45% lower than the engine horsepower number. A 17% driveline loss is assumed for flywheel HP. Estimate Your Horsepower! *Note: Assuming a 20% drive train loss. This calculator can be used to estimate the motor size and gear ratio when building or modifying electric scooters, bikes, go-karts, and other types of electric vehicles. May 18, 2024 · This calculator helps translate the engine power, measured in horsepower, into the potential speed, measured in miles per hour. Get instant results with multiple measurement units supported. Calculate HP, Weight or Speed Size of Carburetor Needed (CFM) Change in Fuel Flow from Pressure Horsepower Calculator Horsepower Gain from Boost Pressure Rear End Gear Needed Speed from RPM & Gear Ratio Gear Ratio Calculator Our Gear Ratio Calculator allows you to determine what your Top Speed will be given the maximum safe RPM of your motor, the number of teeth on the front and rear sprockets (aka the sprocket and chainring) and the diameter of your rear wheel (enter in Inches). Weight: The total weight of the vehicle, measured in kilograms (kg). Easily determine your vehicle's performance and optimize it effectively. All Rights Reserved. Ambient temperature is This conversion utility was jointly developed between FrozenMist and www. Input the bore, stroke, number of cylinders, and RPM to estimate the horsepower. Choose which unit system of measurement you need from the drop-down menu 2. 1/4 Mile MPH Calculator by RPM, Tire Height, Rearend Ratio, Trans Ratio, & Converter Slip Oct 4, 2024 · Horsepower levels and speed determine the quality and performance of varied motorcycle types. Whether you're evaluating vehicle specifications, comparing motor outputs, or designing mechanical systems, our calculator delivers instant horsepower conversions and calculations without complex equations. HP is at Flywheel To calculate the weight of a motorcycle, take the listed weight of the bike, add the weight of the rider, then add 35 pounds for lubricants, fuel, etc. How to use the quarter mile calculator: 1. com offers comprehensive tools for converting motorcycle units, including speed, torque, fuel efficiency, and more. The big end is where it's at! Calculate your horsepower requirements based on the physical limits of drag and frontal area. Horsepower to MPH Calculator Horsepower to MPH Calculator Horsepower: Vehicle Weight (lbs): Calculate MPH MPH: Minimum horsepower is 50 It's important to remember that this horsepower to MPH converter should be taken as an estimation only and not an absolute measure of a vehicle's speed. 8-1. Next, determine the Percentage of power loss (L%) as a decimal. If we at GoFastMath. uk to aid you in configuring your vehicle to get the most out of it. MotorcycleCC. Calculate torque at the rear wheel First, figure out what the torque of your motorcycle is. 2 days ago · This calculator is for entertainment value only. You can find this information in your bike's manual or by doing a quick online search. We always welcome any advice/experience that people can give us to help us Estimate your drivetrain loss and calculate your engine's wheel horsepower using our simple calculator. Estimate HP can give you an idea of your maximum power based on your 1/4 ET or trap MPH. Includes support for jackshafts. Whether you’re working with wheel HP for drag racing calculations or simply curious about power output, this calculator is a must-have for precise tuning and performance analysis. How to Use the HP Estimator To use this HP estimator, fill in the following fields: Speed: The speed of the vehicle in miles per hour (mph). The amount that the top speed will be reduced by resistance depends on many factors such as the power of the motor, weight of the vehicle and rider A tool to compare motorcycles side by side, with specifications and a size comparison with ergonomics, to help you buy your first bike, change style or upgrade. What is it and what does it mean? And what do horses have to do with it anyway? HP – CC Calculator Try these calculators to convert the cubic centimetres to horsepower and horsepower to the cubic centimetres. Nov 5, 2024 · Motorcycle enthusiasts and car tuners can utilize the rear wheel horsepower calculator or wheel HP to crank HP calculator to optimize performance. Upload your horsepower chart to be included in your motorcycles specs. Compute ideal MPH and times at 60', 330', 660' and 1000'. What is a Horsepower Calculator? A horsepower calculator is a tool designed to measure the power output of an engine using various parameters such as torque, RPM (revolutions per minute), acceleration time, or data from a dynamometer test. It calculates the user inputs with gravity, rolling resistance, chain or belt drivetrain efficiency, and air resistance to obtain the speed result. Calculate your engine's horsepower using quarter mile time, trap speed, or RPM and torque with our free calculator. co. Find mph, miles per hour, km/hour. Complete power unit converter with precise physics formulas and conversions. Currently this calculator works for naturally aspirated engines (no turbos, no superchargers, no nitrous) running on pump gas. Designed for automotive enthusiasts, engineers, and Your primary drive, transmission and rear drive sprockets all combine to determine your cruising rpm as well as your final top speed. Use the horsepower calculator to find out how much horse power a car would require to run at a given speed. What Is a Motorcycle Gearing Calculator? A Motorcycle Gearing Calculator is a digital tool designed to help riders determine two key metrics: Gear Ratio – The relationship between the front (countershaft) and rear sprockets. The two most common power-to-weight ratio units are horsepower per pound (hp/lb) and kilowatt per kilogram (kW/kg). For example, a 3 HP motorcycle can go as fast as 30 mph, which means you get 10 mph out of every horsepower. These bikes are typically powered with 300-600cc, 4-stroke engines and offer a top speed of 115-165 mph. 7 pounds per horsepower. Feb 9, 2025 · The Horsepower Trap Speed Calculator is a tool designed to help vehicle enthusiasts, engineers, and racers calculate the missing variable when they have any two known values: horsepower, weight, or trap speed. Frontal Area: The frontal area of the vehicle in square Engine Horsepower Calculator The following two calculators can be used to estimate the engine horsepower of a vehicle based on the weight of the vehicle, elapsed time, and speed used to finish a quarter mile run. 3 per HP We would like to show you a description here but the site won’t allow us. After inserting the variables and calculating the result, check your answer with the calculator above. Drag Max RPM slider to adjust the range of the RPM and Speedometer Gauges. Explanation: The calculator uses the input drag coefficient, air density (converted to kg/m³), frontal area (converted to m²), and vehicle speed (converted to m/s) to compute the aerodynamic drag force in Newtons and the aerodynamic drag power in Watts, then converts these to various force and power units. com see a demand for this horsepower calculator to also work for boosted engines Quarter Mile Calculator You can use this quarter mile calculator to determine the terminal speed (trap speed) and quarter-mile elapsed time (ET) of a vehicle based on its weight and power. At Speed Calculator, we provide precise and easy-to-use tools to calculate speed, distance, and time relationships. Sep 11, 2025 · Enter the total horsepower and the RPM into the calculator to determine the total torque applied by the engine. This is based on a math/statistics-based formula and is not … Calculate the horsepower of an engine using one of three different methods, plus see the formulas and learn to do the calculations yourself. Assumptions: The vehicle is a car driven on concrete with tire pressures set to 30 psi. What is Horsepower Calculator At Horsepower Calculator, we provide accurate and intuitive tools to measure engine power and performance. To get correct gearing for your top speed runs use our Gearspeed Calculator . An example of a quickly accelerating vehicle is a motorbike, which can have an average amount of The horsepower to speed conversion is an estimation of a vehicle's speed based on its engine horsepower and weight. Enter gear ratios, primary ratio, sprocket sizes and tire diameter, then drag RPM slider to calculate speed from RPM. Just enter torque (lb-ft) and RPM for instant results. Using information such as tire size, gear ratios, horsepower, and displacement, this handy slide tool works out the relationship between: Free online horsepower calculator with multiple methods to determine engine power - torque and RPM, 0-60 time, or wheel horsepower from dyno testing. Engine horsepower is measured at the flywheel, whereas wheel horsepower is measured at the wheels. Whether you are a new rider looking for step-by-step instructions to modify a CV carburetor . Its PWR will be as 0. Uses Cd (coefficient of Drag) and Square Foot Area of your vehicle to calc how much HP would be needed to run a certain speed. Nov 3, 2024 · Motorcycle Speed Calculation Formulas 03 Nov 2024 Tags: Mechanical Engineering Automotive Engineering Power and Torque Engine Power and Transmission Ratio Popularity: ⭐⭐⭐ Motorcycle Speed Calculation This calculator determines the speed of a motorcycle based on engine horsepower, engine speed, gear ratio, and wheel diameter. This is just the HP necessary to sustain that speed, not what your engine total HP is. HP, ET, SPEED CALCULATOR This data is intended to assist our customers in understanding the relationship between vehicle HP and weight vs. This calculator estimates your quarter mile elapsed time (ET) when given the weight of the car and flywheel or wheel horsepower. Calculate the ultimate horsepower to weight ratio for cars and motorcycles. This calculator estimates your 60 foot, eighth and quarter mile elapsed times and trap speed when given the weight of the car and flywheel or wheel horsepower. ft. Estimate your bike's top speed using real gear ratios and wheel size. To the best of our knowledge it provides a good quality of accuracy but we do advise that you should always double check your results to avoid any problems. 133 hp/lb, which entails that it has a power output of 0. PWR calculations are commonly used to predict vehicle speed. Based on our research, the average horsepower of a motorcycle is 30-120 HP. Km per liter - miles per gallon. To find the engine horsepower of a vehicle, please use our Engine Horsepower Calculator. Check Compare Sprockets and enter alternate sprockets for Estimating HP Exhaust Length Gear Ratios Calculate Engine Displacement Calculate Air Density for jetting corrections Calculate MPH from RPMs Performance Formula's Drag Race Simulator estimates 1/8, 1/4 mile times and will also estimate your top speed. Our calculator works on the principles of horsepower formula and to convert between different units. RB Racing's Internet Calculators for metric to english conversions, quarter mile horsepower prediction, and scientific calculations. In 2025, with electric vehicles (EVs) like the Tesla Model S Plaid hitting 0-60 in under 2 Estimate horsepower output from any engine type (4-stroke, 2-stroke, any fuel type, turbo, blower, Wankel, etc. Top speeds are either gear limited or drag limited. This equation is normally used to derive the horsepower output for a given shaft speed and torque value. To estimate the peak horsepower, maximum work output Unit converters for motorcycle specs Unit converters for motorcycle engine size, power, physical sizes, fuel consumption, etc. If you do not have a jackshaft, enter 0 in both jackshaft fields and the calculator will use only the motor and rear sprockets. Nitemare Performance 1/4 Mile calculator Enter your vehicle weight in lbs, and engine horsepower, then click either of the grey buttons to calculate your approximate 1/4 mile ET (seconds) and trap speed (mph). Jun 15, 2025 · Calculate power in watts, horsepower and other units from force, distance and time. 2) Click the 'Calculate' button. For all you Bonneville Salt Flat people or wannabes This equation will show you how much Horsepower it would take to run those high speeds. It's particularly useful for those modifying their vehicles or tuning engines and need to understand the potential impact of their adjustments on vehicle speed. The V-Twin Motorcycle Performance Guide is your source of information to build, tune and maintain high performance Harley-Davidson street and racing motorcycles. TCI Auto offers you an array of Automotive Racing Calculators allowing you to figure out displacement, Horsepower, Quarter Mile Times, and more! Oct 1, 2025 · Enter the horsepower, torque, and rotational speed into the calculator to determine the missing variable. Binsfeld’s Power – Torque – Speed Conversion calculator provides a fast, easy way to calculate speed, torque or power. This horsepower calculator will use different horsepower calculation methods to estimate how much power your vehicle is producing. Instructions: 1) Enter a value in any box. Here’s one lesser-known fact: engine types decide the power your motorbike can produce. Finally, calculate the Crank to Wheel Horsepower (CWHp). This formula is applied to calculate the speed or velocity at the end of the run. The 1/4 Mile Calculator is designed to quickly estimate your vehicle’s quarter-mile time and speed based on input parameters like horsepower, weight, or acceleration. Want to know how much horsepower your engine makes? The Built Bottom End Performance horsepower calculator will calculate your engine's wheel (whp) and crank (chp) horsepower using proven mathematical functions based on real-world examples. You can use our horsepower calculator to try it out yourself. Calculate rate of speed given distance and time. Calculator will generate its rear wheel horsepower. Example 1 Determine the horsepower of a car which moves with a speed of 600 revolutions per minute and has a torque of 100 pound-foot. Use the horsepower calculator to find out how much horse power a car would require to run at a given Aug 29, 2021 · All about power (horsepower) and torque in motorcycles, and how they relate to top speed and thrust. Solution: Given parameters are Torque = 100 pound-foot Speed = 600 revolutions per minute> Horsepower formula is given by Horsepower You no longer need expensive and overly-complicated software to calculate your engine's peak horsepower. Get precise performance insights with our free horsepower calculator. Calculations to determine the trap speed are generally the most accurate, because they are largely independant of the suspension and traction, and even the vehicle gearing (within limits Gear Ratio Calculator for Vehicle with Jackshaft This calculator determines the top speed of the vehicle with no margin for mechanical, rolling, or wind resistance. * Enter Parameters Below * Motor Speed RPM (example: 8000) * Motor Sprocket Teeth (example: 10) * Wheel Sprocket Teeth (example: 36) * Tire Diameter Inches (example: 26) Speed and Gear Ratio Calculation Results Top Speed: MPH Gear Ratio: :1 Rollout 75% Speed Description: Do you have a high performance car, motorcycle, truck or vehicle, built a new engine, performed a tune up or installed a performance part? Try out this calculator get a rough estimate of horsepower. Estimate the horsepower of an engine using this Engine Horsepower Estimator. Convert force to acceleration, bearing in mind the weight of the motorcycle (and rider) Convert acceleration to thrust. Calculating PWR It's very easy to calculate a power-to-weight ratio. Use engine torque and gearing to calculate force. Request yours to be added as well. weight matters! Use our calculator to compare data and see which one delivers the best performance. Drivetrain & speed calculator Engine Sprockets Ratios Calculator Estimate Speed from Gear ratios, RPM and tire size Gear Ratio Calculator Performance Estimate Quarter-Mile MPH - Km/H from Horsepower Estimate Quarter-Mile ET from Horsepower Estimate Quarter-Mile Horsepower requirements from MPH Estimate Quarter-Mile Horsepower requirements from ET 0-60 Calculator: Estimate Your Vehicle’s Acceleration Want to know how fast your car or motorcycle can hit 60 mph? A 0-60 calculator is your go-to tool for estimating acceleration times based on horsepower, torque, weight, gear ratios, and other factors—crucial for enthusiasts, tuners, or racers. In contrast, a 1000cc, 80-220 HP motorcycle tops out at 100-170 mph, providing only 0. Pressure Conversions-- If you need to convert between Kilopascals, mm HG and inches of HG then this spreadsheet might help. This ratio helps in understanding the potential speed of the vehicle. May 17, 2023 · To calculate the thrust generated by a motorcycle, you follow several steps. Instantly calculate your vehicle’s horsepower using torque, RPM, weight, and speed. Performance Reference Guide Understanding Vehicle Performance Parameters Power: The amount of horsepower (HP) produced by a vehicle’s engine. "Motorcycle Specifications, reviews, road tests MPH Calculator / Horsepower Calculator / ET Calculator / RPM Calculator Input the Weight and 1/4 mile Trap speed of your vehicle. It is primarily tuned to work with GM's LS/Vortec platform but will still give a good approximation of the horsepower and drivetrain loss of whatever mill Jul 28, 2022 · If the engine’s peak power is 100 hp, the power-to-weight ratio is 570 ÷ 100 = 5. ), Vehicle Weight (in pounds), and desired Vehicle Speed (MPH). Enter the horsepower and weight into the calculator. mk5cortinaestate. This will give you a fairly accurate running weight for any bike. Power vs. com Calculate the theoretical Horsepower required to move a vehicle at a certain speed based on the Vehicle Drag Coefficient (Cd), Vehicle Frontal Area (sq. What is the difference between HP & WHP WHP stands for wheel horsepower and HP is typically used to refer to the true engine horsepower output. Horsepower & Aerodynamic Drag Calculator By AssassinRacing. E. Nevertheless, few people pay attention to it, believing that motorbikes of the same kind must exude the same power. This calculator can be used to compute horsepower according to its definition and to convert between different power units. Enter Shift at RPM, select gear to shift to and hit Shift and Trace to run up through the gears recording shift point RPM and km/h - mph. Horsepower (HP) is a crucial metric in determining the performance and efficiency of a vehicle, machinery, or industrial equipment. Easily switch between different units with our user-friendly calculators. Use the 0-60 MPH Time Calculator to calculate the theoretical 0-60 Time for a given application. When you choose horsepower, this calculator will measure the approximate horsepower of an engine based on the torque of the engine (measured in foot-pounds) multiplied by the RPM of the engine, divided by 5,252 (conversion between foot-pounds and horsepower). 133 hp for every pound of weight. Motor Power Calculator Given torque in any unit, and speed in rpm, calculate power in watts or hp. Use this horsepower calculator to calculate peak engine horsepower and peak power RPM. Vehicle weight should include not only the vehicle, but also the driver, the passenger, and anything else of significant weight. Conclusion There’s no magic formula for converting engine HP to mph, as the top speed of different vehicles depends on countless factors like their type, design, and engine features. Aug 1, 2025 · Solve for speed, distance, time and rate with formulas s=d/t, d=st, d=rt, t=d/s. Not to be used in place of real testing. List your cycle hp torque 1/4 mile time, quick cycle hp reference. I. Calculate your vehicle’s top speed in each gear by entering the gear ratio, engine RPM, and tire size. Oct 1, 2025 · First, determine the Brake Horsepower (BHp) value (hp). These figures are calculated based on two formulas that estimate the rear wheel horsepower it takes to travel 1/4 mile. Use our torque to horsepower calculator to find your engine’s power output. Apr 2, 2009 · Motorcycle performance data tested by the Motorcyclist Magazine staff using a Dynojet dynomometer and manufacturer data. ). Aerodynamic Drag Coefficient (Cd): The aerodynamic drag coefficient, a unitless number typically ranging between 0. Estimated Speed (mph) – The vehicle's speed at a given engine RPM based on the sprockets and tire size. Next, use the formula CWHp = BHp * (1 – L%) to calculate the Crank to Wheel Horsepower. Nov 16, 2025 · Motorcycle speed and sprocket calculator with bike database for gearing, sprockets, tires and chains of over 1900 bikes. Use this free calculator to see what your engine is capable of. You will find the information needed for tuning, modification, preparation and maintenance for your Harley-Davidson motorcycle engine. Whether you're solving physics problems, planning travel routes, or analyzing athletic performance, our calculator delivers instant calculations using the fundamental speed formula (Speed = Distance/Time). Horsepower Needed-- Figure HP to run a new speed based on a known speed and HP or a new speed based on a new HP level. It Nov 7, 2006 · It's always fun to see how much hp a car would need to equal the hp/ton ration a bike puts out. Mar 17, 2020 · The equation to calculate horsepower is simple. Explanation Calculation Example: The speed of a motorcycle is 1/4 ET/SPEED/HP/KW Calculator Weight is as the car sits on the line: driver and gas in it. These resistance factors could make the top speed slower than the calculation. The difference is where the power is measured. 20 and 0. Use the Gear Ratio Speed Calculator to determine which is the case for your particular scenario. Add your motorcycle specs for Free. 3) All other values will be automatically calculated. Drag Racing Calculators,Calculators to find 1/4 mile ET and MPH, CID,Piston Speed,gear ratio,carburetor size,margin of victory,Engine calculator, Calculates relative horsepower, air density, density altitude, virtual temperature, actual air pressure, vapor pressure and dyno correction factor and more. Weight includes the mass of the whole body. Let's say we have a vehicle that weighs 1500 pounds and has a horsepower (hp) of 200. Change your HP and/or vehicle weight numbers and check the results. 1/4 mile speed and ET. Here are the steps: Find out your motorcycle's horsepower and weight. The calculation of Horsepower Calculator Horsepower is a measurement of power, or the rate at which work is done. NOTE: If you can't input data into the spreadsheet you download then save it and re-open it to use it. 1. A 50cc-engine bike certainly performs differently than a 1000cc! So how much horsepower is 600cc © 1998 John A Bolton. This is just an approximation. Motorcycle Performance Guide - Calculate MPH from RPM Information about motorcycle horsepower, torque, acceleration, and speed. tmz mnjmz hmryrmt ptw wfwxb lqore snk xemnou yrtv nngn hdn iwolxz njcvb zxcr gak