Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Cycling
Bike Gear Ratio Calculator
Calculates gear inches — a measure of how far the bike travels per pedal stroke — from chainring, cassette, and wheel diameter. Useful for comparing gear ratios across drivetrains, planning gear upgrades, and matching cadence to terrain.
Fill in the required fields to see your result.
Cycling
Cadence to Speed Calculator
Convert your pedaling cadence into actual riding speed using your gear ratio and wheel size. Useful for cyclists optimizing gearing on road, gravel, or track bikes.
Fill in the required fields to see your result.
Key differences
| Bike Gear Ratio Calculator | Cadence to Speed Calculator | |
|---|---|---|
| Category | Cycling | Cycling |
| Inputs required | 3 | 3 |
| Result | Gear Inches (inches) | Speed (km/h) |
| What it does | Calculates gear inches — a measure of how far the bike travels per pedal stroke — from chainring, cassette, and wheel diameter. Useful for comparing gear ratios across drivetrains, planning gear upgrades, and matching cadence to terrain. | Convert your pedaling cadence into actual riding speed using your gear ratio and wheel size. Useful for cyclists optimizing gearing on road, gravel, or track bikes. |