Gear Ratio Designer

This is an interactive tool. Enter your inputs and it computes a detailed, accurate result tailored to your scenario.

1. 1

   Step 1

   Specify the vehicle specifications.

2. 2

   Step 2

   After entering the values, click "Calculate" to view the output.

3. 3

   Step 3

   Use the result while keeping the context and units in mind.

• 1

  Account for local fuel prices — they change the math completely.

• 2

  Include insurance and maintenance in ownership costs.

• 3

  Tire size changes affect speedometer accuracy.

• Using ideal instead of real consumption.

• Relying on a single result for an important decision.