About the Speed Converter
The Speed Converter is a free online tool that lets you convert km/h, mph, m/s and knots. With it you can convert between units and formats accurately and instantly — there's nothing to install and no account to create. Just open the tool, do what you need, and you're done.
It's part of the Converters collection on OmniTools, a growing platform of 131+ free, privacy-first tools built for speed and a great experience on every device.
Also known as: kmh, mph, speed, velocity.
Why use the Speed Converter?
- Accurate, standards-based conversions
- Instant results
- Free and unlimited
- Works on every device
When to use it
- Converting units for work or study
- Quick everyday conversions
- Cross-checking measurements
How to use the Speed Converter
- Open the Speed Converter. Open the Speed Converter on this page — there is nothing to install and no account needed.
- Add your input. Type or paste your input into the tool.
- Adjust options. Choose any options you need — the Speed Converter updates instantly.
- Get your result. Click the action button to download or copy your result. It is 100% free.