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Acceleration Converter

Instantly convert acceleration between m/s², g₀, Gal, ft/s², km/h/s, mph/s, kn/s and other units.

Use a comma or period as the decimal separator; do not use thousands separators.

All units

SI and metric

Use as target unit: Nanometre per second squared
Nanometre per second squared (nm/s²)
1,000,000,000
Use as target unit: Micrometre per second squared
Micrometre per second squared (µm/s²)
1,000,000
Use as target unit: Millimetre per second squared
Millimetre per second squared (mm/s²)
1,000
Use as target unit: Centimetre per second squared
Centimetre per second squared (cm/s²)
100
Use as target unit: Metre per second squared
Metre per second squared (m/s²)
From
1
Use as target unit: Kilometre per second squared
Kilometre per second squared (km/s²)
0.001

Gravimetry and standard acceleration

Use as target unit: Milligal
Milligal (mGal)
100,000
Use as target unit: Gal
Gal (Gal)
100
Use as target unit: Standard gravity
Standard gravity (g₀)
To
0.101971621

Imperial

Use as target unit: Inch per second squared
Inch per second squared (in/s²)
39.3700787
Use as target unit: Foot per second squared
Foot per second squared (ft/s²)
3.2808399
Use as target unit: Yard per second squared
Yard per second squared (yd/s²)
1.0936133
Use as target unit: Mile per second squared
Mile per second squared (mi/s²)
0.000621371192

Velocity change per time

Use as target unit: Kilometre per hour squared
Kilometre per hour squared (km/h²)
12,960
Use as target unit: Mile per hour squared
Mile per hour squared (mi/h²)
8,052.97065
Use as target unit: Kilometres per hour per second
Kilometres per hour per second (km/h/s)
3.6
Use as target unit: Miles per hour per second
Miles per hour per second (mph/s)
2.23693629
Use as target unit: Knots per second
Knots per second (kn/s)
1.94384449
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Good to know

The acceleration converter converts directly in your browser between SI/metric, Anglo-American, and gravimetry units, following a = dv/dt. g₀ is the exactly defined standard acceleration of 9.80665 m/s² — not the locally identical Earth gravity everywhere.

Typical searches include m/s2 to g, convert acceleration, and ft/s2 to m/s2. Calculation runs locally in the browser. km/h/s and km/h² are different units; vehicle and safety calculations always require verified measurements, not just converted estimates.

Typical use cases

Convert vehicle acceleration into g

Convert m/s² into multiples of g to interpret acceleration figures from vehicle tests.

Convert gravimetry measurements

Convert Gal and milligal from geophysical measurements into SI units.

Tips for better results

g₀ is a standard value, not a local measurement

g₀ = 9.80665 m/s² is exactly defined; actual gravitational acceleration varies slightly by location.

Don't confuse km/h/s and km/h²

Both notations denote different units — check which one your source actually means.

How it works

Step by step

  1. 1

    Enter value and source unit

    Enter the acceleration value and choose the source unit.

  2. 2

    Choose the target unit

    Choose the target unit from one of the three groups.

  3. 3

    Copy the result

    Copy one or all results for further use.

Features

Three unit groups

SI/metric, Anglo-American, and gravimetry/standard acceleration are separated.

Local conversion

Calculation happens directly in the browser, without transmission to a server.

Exact standard value g₀

g₀ = 9.80665 m/s² is used as an exactly defined standard value, clearly separated from local Earth gravity.

Frequently asked questions

Is g₀ the same everywhere on Earth?

No. g₀ is an exactly defined standard value (9.80665 m/s²); actual gravity varies slightly by location.

Are my inputs uploaded?

No. Conversion runs entirely locally in the browser.

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