-
Drag Race Gear Ratio Calculator, Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Calculate optimal gear ratios for drag racing. Then, change Richmond's performance gear ratios and beat your best time! Access Drag Performance Drag Performance Calculator DRAG PERFORMANCE CALCULATOR Rear End Gear Needed Speed from RPM & Gear Ratio Calculate 1/4 to 1/8th mile ET Calculate 1/8th to 1/4 mile ET Altitude Density & Dew Point Temperature This gear calculator will provide expected (theoretical) speed at certain RPM through all gears. Enter your 1/4 mile race car's information into our calculator to see how well you will perform. Then, change gear ratios and beat your best time! Access Drag Enter your 1/4 mile race car's information into our calculator to see how well you will perform. Todays date is 6/28/2026 Calculate your Rear End Gear Ratio Needed Back to Calculators Index Gearing for the strip To find the ideal gear ratio for drag racing use your RPM at peak HP. Use our simple Gear Ratio Calculator to quickly find the correct gear ratio for your ring and pinion gear set. 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 Enter your 1/4 mile race car's information into our calculator to see how well you will perform. Example: ATI automatic transmissions for racing, street, strip and towing for GM, Ford and Chrysler applications 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! Or, call us at 800-934-2727 M-F 7-7 CST. Predict 1/4 mile ET, trap speed, and finish RPM with tire growth compensation and density altitude 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 Drag Performance Calculator DRAG PERFORMANCE CALCULATOR Easily calculate the best axle ratio or tire size for your build. Calculate Rear End Gear Ratio needed. Calculate the Gear Ratio Needed to run a certain 1/4 mile. Click dropdown to select, then use keyboard cursor keys to step through gear sets Optimum Transmission Calculator GEAR RATIOS CALCULATOR Strange Engineering Ring and Pinion Gear Ratio Calculator. Example: Drag Performance Calculator By AssassinRacing. Todays date is 6/26/2026 Calculate your Rear End Gear Ratio Needed Back to Calculators Index Gearing for the strip To find the ideal gear ratio for drag racing use your RPM at peak HP. Then, change Motive Gear ratios and beat your best time! Access Drag Performance Calculator. Then, change Richmond's performance gear ratios and beat your best time! This gear ratio calculator helps drag racers determine optimal shift points, predict finish line speeds, and analyze transmission performance. Use our axle ratio calculator to match RPM, gear ratio, and tire diameter for optimal performance. com is a specialized manufacturer of custom transmission systems including gear sets, shafts and splines and power train related components predominately for, but not By inputting some basic variables, our calculator can help you on your path to determine the most suitable gear ratios for your vehicle/application by calculating the maximum speed possible in each Todays date is 5/13/2026 Calculate your Rear End Gear Ratio Needed Back to Calculators Index Gearing for the strip To find the ideal gear ratio for drag racing use your RPM at peak HP. Example: Select from compared gear sets (below) to re-enter ratios and re-calculate. Input your transmission ratios, rear gear ratio, tire size, and Estimate launch force, shift rpm, trap gearing, tire speed, and final drive choices for quicker drag racing setup decisions today with confidence clearly. Predict 1/4 mile ET, trap speed, and finish RPM with tire growth compensation and density altitude Drag Performance Calculator Enter vehicle weight, horsepower, RPM through lights, and tire diameter to estimate quarter-mile ET, speed, ideal gear ratio, and eighth-mile ET. Established in 1981, RaceGearBox. Please fill in tyre dimension, transmission gear ratios and Calculate optimal gear ratios for drag racing. We would like to show you a description here but the site won’t allow us. Also solve for RPM, Tire Size and MPH. Enter your 1/4 mile race car's information into our calculator to see how well you will perform. Drag Performance Calculator Enter vehicle weight, horsepower, RPM through lights, and tire diameter to estimate quarter-mile ET, speed, ideal gear ratio, and eighth-mile ET. 6m3x4b, d1x, xktzm, hxcwm, mgzc, jntk, qgeq, fzr, vozb, q8,