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# Acceleration calculator

Solve acceleration from speed change over time, distance and time, two speeds, or force and mass, with the working and unit conversions shown.

Fill in all but one value and the missing one appears here, with the acceleration in m/s², g and other units.

Speeds and velocity get used interchangeably in the labels, but the square-root solves return magnitudes: the positive root. Time solves pick the smallest positive root and refuse when no positive time reaches the distance. What this tool does not do: curved paths, air drag, or relativity.
Options

## More unit & math tools

- [Unit converter](/converters/units)
- [555 timer calculator](/converters/555-timer-calculator)
[All unit & math tools](/converters)

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Markdown version: https://nutter.tools/converters/acceleration-calculator.md
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