Garage Tool

0-60 & Quarter-Mile Calculator

Estimate your car's 0-60 time, quarter-mile ET, and trap speed from horsepower and weight — or flip it around and estimate horsepower from a real time slip.

Your car

Drivetrain

Use crank horsepower and your car's weight with you in it. Estimates assume a decent launch on a prepped surface.

0–60 mph
5.4s
1/4-mile ET
13.2s
Trap speed
103 mph
Power-to-weight: 11.7 lb/hp — estimates only; traction, gearing, aero, and altitude all move real-world numbers.

Reverse it: horsepower from a time slip

Trap speed is the drag-strip's honest dyno. Enter your quarter-mile trap speed and race weight to estimate crank horsepower.

Estimated power
298 hp

How the estimates work

These are the classic drag-racing formulas built on power-to-weight ratio. Quarter-mile ET is 5.825 × (weight ÷ hp)1/3 and trap speed is 234 × (hp ÷ weight)1/3 — derived by drag racer and engineer Patrick Hale from thousands of real time slips. The 0-60 figure uses a similar power-to-weight fit, with a small adjustment for drivetrain since AWD launches harder than FWD.

Weight and power dominate straight-line acceleration, but they're not the whole story — tires, launch technique, gearing, shift speed, aerodynamics, and density altitude all show up on a real time slip. Treat the outputs as a solid ballpark: great for comparing builds and bench racing, not for settling money races.

Chasing a number? Log each mod and dyno sheet in your Ryvve garage so you can track exactly what each change bought you.

Frequently Asked Questions

It's a solid ballpark, not a guarantee. The formulas are fit to thousands of real runs and are usually within a few tenths for a well-driven car on decent pavement, but traction, gearing, shift speed, aerodynamics, altitude, and driver skill all move real-world numbers. Use it to compare builds and set expectations, then let the track tell the truth.

Track What Every Mod Buys You

Dyno sheets, time slips, and the full mod list — Ryvve's garage keeps your build's whole story in one place. Free on iOS and Android.

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