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Drone Motor Calculator

Find the per-motor thrust needed for a multirotor.

Calculated Output

Thrust per motor 750

Formula: thrust per motor = weight * TWR / motors

Step-by-Step Breakdown

1. Values used:

2. Total weight = 1,500

3. Number of motors = 4

4. Target thrust-to-weight = 2

6. Thrust per motor = 750

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The math behind it

thrust per motor = total weight x thrust-to-weight ratio / number of motors. Aim for a TWR of 2 for good control.

1500 g quad at 2:1 needs 750 g thrust per motor.

What TWR do I want?

About 2:1 for general flying, 4:1+ for racing.