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
Cycling Speed Calculator
Calculates average cycling speed from distance and elapsed time. Use it to evaluate ride pace, set training targets, or compare GPS-tracked rides across similar routes.
Fill in the required fields to see your result.
Key differences
| Bike Gear Ratio Calculator | Cycling Speed Calculator | |
|---|---|---|
| Category | Cycling | Cycling |
| Inputs required | 3 | 2 |
| Result | Gear Inches (inches) | Average 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. | Calculates average cycling speed from distance and elapsed time. Use it to evaluate ride pace, set training targets, or compare GPS-tracked rides across similar routes. |