Gear Ratios Calculator - how to use:
• select one or more pair of gears
• click 'Calculate total ratio'
• select a motor to see the theoretical output speed

1. Driver gear: -- choose -- worm gear gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth      Follower gear: -- choose -- gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth     

2. Driver gear: -- choose -- worm gear gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth      Follower gear: -- choose -- gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth     

3. Driver gear: -- choose -- worm gear gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth      Follower gear: -- choose -- gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth     

4. Driver gear: -- choose -- worm gear gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth      Follower gear: -- choose -- gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth     

5. Driver gear: -- choose -- worm gear gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth      Follower gear: -- choose -- gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth     

6. Driver gear: -- choose -- worm gear gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth      Follower gear: -- choose -- gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth     

7. Driver gear: -- choose -- worm gear gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth      Follower gear: -- choose -- gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth     

8. Driver gear: -- choose -- worm gear gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth      Follower gear: -- choose -- gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth     

9. Driver gear: -- choose -- worm gear gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth      Follower gear: -- choose -- gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth     

10. Driver gear: -- choose -- worm gear gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth      Follower gear: -- choose -- gear 8 tooth gear 12 tooth gear 14 tooth gear 16 tooth gear 20 tooth gear 24 tooth differential gear 28 tooth gear 36 tooth gear 40 tooth turntable gear 57 tooth Hailfire Droid wheel 168 tooth     

Calculate total ratio Reset

Show speed for -- choose a motor -- Micromotor [2986] Motor 9V [2838] 9V Train [590] Mini-Motor 9v [71427] Mini-Motor 9v [43362] Motor 9V Geared [47154] RC Motor [8292] - innermost output RC Motor [8292] - outermost input NXT Motor [53787] PF Medium [58120] PF XL [58121] motor: