Convert between speed units.
Secure ProcessingFiles Deleted After ProcessingFast & Reliable
How It Works
1
Upload / Input
Select your files or paste your content to get started.
2
Process
Our engine processes your data securely -- most operations happen right in your browser.
3
Download / Result
Get your results instantly. Download files or copy output in one click.
Features
6 speed units: m/s, km/h, mph, knots, ft/s, Mach
Instant real-time conversion
Swap source and target with one click
Conversion formula displayed
Quick reference table
All conversions based on m/s
FAQ
Meters per second (m/s), kilometers per hour (km/h), miles per hour (mph), knots, feet per second (ft/s), and Mach (approximate, based on standard atmosphere).
Mach is approximated using the speed of sound at sea level in a standard atmosphere (343 m/s). Actual Mach varies with temperature and altitude.
Related Tools
About Speed Converter
Convert between meters per second, kilometers per hour, miles per hour, knots, feet per second, and Mach. See the formula and a quick reference table for common conversions.