MOTION
Speed
Linear speed for travel, wind and physics.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Resultmph → knConvert mile per hour to knot
EVERYDAY · ENGINEERING · SCIENCE
Start with a familiar unit, type a value, and get a dependable answer with sensible precision. Fractions and scientific notation are welcome.
Linear speed for travel, wind and physics.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a mile per hour value to calculate knot with full internal precision before display rounding.
Auto keeps up to 12 significant digits, trims unnecessary zeroes, and switches to scientific notation for extreme magnitudes.
| Unit | Symbol | Converted value |
|---|---|---|
| metre per secondfrom mph | m/s | Interactive |
| centimetre per secondfrom mph | cm/s | Interactive |
| foot per secondfrom mph | ft/s | Interactive |
| kilometre per hourfrom mph | km/h | Interactive |
| mile per hourfrom mph | mph | Interactive |
| knotfrom mph | kn | Interactive |
| kilometre per secondfrom mph | km/s | Interactive |
| speed of light in vacuumfrom mph | c | Interactive |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.