Speed Converter

Convert m/s, km/h, mph, ft/s and knots.

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How to use Speed Converter

Three quick steps — no sign-up needed

  1. Step 1

    Enter the value

    Type the number you want to convert.

  2. Step 2

    Select From and To units

    Select m/s, km/h, mph, ft/s, or knots.

  3. Step 3

    Read the result

    Copy the converted value for homework, work, or travel planning.

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About Speed Converter

Speed Converter switches between metres per second, kilometres per hour, miles per hour, feet per second, and knots. Travellers and students searching "km/h to mph", "mph to km/h", or "knots converter" need quick speed-unit changes for signs, specs, and physics problems.

Enter a value, choose From and To units, and read the result. Road signs use km/h or mph by country; aviation and marine contexts often use knots.

Weather wind speeds and vehicle dashboards may round differently. Convert carefully when precision matters for safety calculations.

Benefits of Speed Converter

km/h and mph Core driving unit pair.
m/s for physics Classroom and lab friendly.
Knots included Marine and aviation speeds.
Fast travel prep Interpret foreign speed limits.

Frequently asked questions

How many mph in 100 km/h?

About 62.14 mph.

What is a knot?

One nautical mile per hour.

m/s to km/h?

Multiply by 3.6 - or use the converter.

Are car speedometers exact?

They can read slightly high by design - conversions use true unit maths.

Can it convert acceleration?

This tool is for speed (velocity magnitude units), not m/s².