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Automotive / Drivetrain
Gear Ratio & RPM Calculator
Relate road speed, engine RPM, tyre circumference, gearing and final drive.
Tyre
Drivetrain
Multi-gear speeds
Drivetrain result
Engine speed2,884 RPM
Overall ratio 3.73:1
- Tyre circumference
- 2,081.6 mm
- Wheel speed
- 773.1 RPM
- Engine speed
- 2,884 RPM
- Road speed
- 60 mph
- Overall ratio
- 3.73:1
Speed at 6,500 RPM
1 · 3.36:140.3 mph
2 · 2.09:164.7 mph
3 · 1.47:192 mph
4 · 1:1135.2 mph
5 · 0.82:1164.9 mph
Results use nominal rolling circumference and assume no tyre growth, slip, converter slip or drivetrain losses.