# Convert Speed

**How to Convert Speed Units.**

To convert **speed **units, from one to another, you have to multiply with the correct number.

Follow these steps:

- Find the correct conversion variable number.
- Then multiply by that number.

**Definition of Speed:**

Speed is a term that may mean two things, either the rate of changes through time, or a physical quantity that basically describes the rate at which an object covers distance.

**Speed formula:** v = d / t

Where: **d** is distance and **t** is time

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Convert Speed centimeter / second (cm/s), foot / second (ft/s), kilometer / hour (km/h), kilometer / minute (km/min), kilometer / second (km/s), knot (kn), mach (at std. atm.) (M), meter / minute (m/min), meter / second (m/s), mile / hour (mph), speed of light, speed of sound (at std. atm.), yard / second

#### How to use Converters

Select the Unit you want to **convert From** (first list) and the Unit you want **convert To** (second list).

Insert your value to of the unit at the **First text box** and push the Convert button!

The result of the conversion will be appear at the **Second text box**.

To Flip the conversion from the units you selected push the **Flip Arrows**.

#### How to use Calculators

First **fill in** all the mandatory fields of the form.

Push the **Calculate button** and take the results.

You can have a better accuracy in your results when you fill in the **additional fields**, if there are any.

### Most often used Conversions

#### Inch to Centimeter

Inch Description: The inch is a unit of length in the US Customary and British Imperial systems, equal to 1/12 ...

#### Millimeter to Inch

Millimeter Description: The millimetre (International spelling as used by the International Bureau of Weights ...

#### Kilometer to Mile

Kilometer Description: A kilometre (American spelling: kilometer, symbol: km) is a unit of length equal to 1000 ...