# Acceleration Units Converter

## Convert between units of acceleration

Acceleration is the ratio *change of velocity* to *change in time* - and can be expressed as

a = dv / dt (1)

where

a = acceleration (m/s^{2}, ft/s^{2})

dv = v_{1}- v_{0}= change in velocity (m/s, ft/s)

dt = t_{1}- t_{0}= time taken to change the velocity (s)

### Online Units Acceleration Calculator

The calculator below can be used to convert between some common acceleration units:

Download and print Acceleration vs. Change in Velocity and Time chart

### Example - Acceleration of a Car

A car accelerates from *0 km/h* *(0 m/s)* to *100 km/h* *(27.8 m/s)* in *5 seconds*. The acceleration can be calculated by using *km/h* as the units for velocity:

*a = ((100 km/h) - (0 km/h)) (1000 m/km) (1/3600 h/s) / (5 s)*

* = 5.6 m/s ^{2}*

The calculation can be simplified by using *m/s* as the units for velocity:

*a = ((27.8 m/s) - (0 km/h)) / (5 s)*

* = 5.6 m/s ^{2}*

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