Convert speed and velocity units instantly with this free universal speed converter. Features bidirectional conversion, reference tables, and applications for travel, sports, and science.

2 options⚛️ Physics

Speed of Sound Calculator

Check with our speed of sound calculator how the speed of sound in water or air changes with temperature.

2 options⚛️ Physics

Gear Ratio Calculator

This gear ratio calculator determines the rate of mechanical advantage or disadvantage a gear train produces in a gear system. Read on to learn more about gear ratio and its importance in our lives.

2 options⚛️ Physics

Terminal Velocity Calculator

Determine the maximum velocity achievable by a falling object using the terminal velocity calculator.

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Gravitational Force Calculator

If you want to calculate the force between two masses, try our gravitational force calculator.

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Potential Energy Calculator

Grab the potential energy calculator to find how much energy is stored in an object raised off the ground.

2 options⚛️ Physics