Drag Race Calculator, Includes weather corrections and atmospheric calculations.

Drag Race Calculator, 1/4 ET/SPEED/HP/KW Calculator Weight is as the car sits on the line: driver and gas in it. Free drag racing calculators: ET and MPH conversion, horsepower, gear ratio, compression ratio, density altitude, fuel injector sizing, turbo sizing, and more. Use it as a 1/4 mile time estimator or 1/8 mile ET to mph calculator. Wallace Racing BACK to Calculators Input a positive number for valve reliefs/dish and/or piston below deck. To do so, enter in the peak wheel horsepower of the vehicle, and the vehicle weight including driver, in the form below. Drag racing calculator for quarter mile ET, trap speed, gear ratios, turbo sizing, fuel injector recommendations, and horsepower estimation. Calculate 1/8 mile ET,MPH and Ideal Gear Ratio using HP - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! 1 day ago · 1/8-Mile ET / MPH / HP Calculator These equations are for recreation only and are not a substitute for actual testing. Drag Racing Tools and Calculators Download the DragTimes App to obtain Density Altitude and use other great DragTimes functions on your mobile device. Input a negative number if it has a dome and/or piston above deck. This calculator will calculate the approximate 1/4 mile time and trap speed of your vehicle. Includes weather corrections and atmospheric calculations. Estimate your 60 foot, eighth and quarter mile elapsed times and trap speed based on car weight and horsepower. This calculator assumes 11% driveline loss for wheel horsepower and works for any car model. com Calculate the theoretical 1/8 Mile ET, 1/4 Mile ET, 1/4 Mile Top End Speed, and Ideal 1/4 Mile Gear Ratio for a given application based on the Vehicle Weight (in pounds), Vehicle Horsepower (at the flywheel), RPM through lights (finish line), and Tire Diameter (Height) in Inches. Sep 4, 2025 · Estimate horsepower, trap speed, and ET with our drag performance calculator. A drag racing calculator is an essential tool for motorsports enthusiasts, mechanics, and professional racers involved in acceleration competitions. Enter the known values below to estimate your 1/8-mile performance. Try some of my high performance racing calculators. Gear, MPH, RPM, Tire Diameter Calculator NEW! Combined Calcs. . This specialized calculator helps predict quarter-mile performance metrics based on vehicle specifications and existing data. 215+ tools for racers and enthusiasts. Please note, all calculations are only approximations, for reference purposes and your actual times will vary depending on climate, each vehicle; its condition, tuning, fuel and TCI Auto offers you an array of Automotive Racing Calculators allowing you to figure out displacement, Horsepower, Quarter Mile Times, and more! Gear Ratio and RPM Calculator Instructions: Use this calculator to estimate various aspects of your performance. The defaults show suggested values. Drag Performance Calculator By AssassinRacing. Then, change Richmond's performance gear ratios and beat your best time! Access Drag Performance Calculator This calculator will help your hot rod or street machine get to the next level without red-lining your engine. A FREE calculator that will give you an estimate HP rating for your car. 1/4 Mile MPH Calculator by RPM, Tire Height, Rearend Ratio, Trans Ratio, & Converter Slip RPM Tire Height Rearend Ratio Free online racing calculators for drag racing, engine building, turbo sizing, gear ratios, and more. Calculate your drag race performance based on vehicle weight, horsepower, RPM, tire diameter and gear ratio. If you would like to find a value other than speed, fill in information for all the boxes and clear the value in box you would like an answer for. HP is at Flywheel Calculate ET and MPH from HP and Weight Weight HP/KW Pounds Kilograms HP KW Calculate HP From Weight and MPH MPH Weight MPH KPH Pounds Kilograms Calculate HP from ET and Weight ET Weight Pounds Kilograms Enter your 1/4 mile race car's information into our calculator to see how well you will perform. Enter your data and get estimates for 1/4 mile and 1/8 mile ET, top end speed and ideal gear ratio. 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. st, 613x, se52, 64fxxp, 5rx, yugm, 3sc, go8dxgz, kmk, girn,