Speed
Linear speed for travel, wind and physics.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert mile per hour (mph) to knot (kn). Enter a value for an instant result, or use the examples and reverse conversion below.
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 trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| metre per secondfrom mph | m/s | 0.44704 |
| centimetre per secondfrom mph | cm/s | 44.704 |
| foot per secondfrom mph | ft/s | 1.46667 |
| kilometre per hourfrom mph | km/h | 1.60934 |
| mile per hourfrom mph | mph | 1 |
| knotfrom mph | kn | 0.868976 |
| kilometre per secondfrom mph | km/s | 0.00044704 |
| speed of light in vacuumfrom mph | c | 0.00000000149116 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Mile Per Hour (mph) and knot (kn) are units of speed. Use this page to convert in either direction.
| Mile Per Hour (mph) | Knot (kn) |
|---|---|
| 1 mph | 0.868976 kn |
| 5 mph | 4.34488 kn |
| 10 mph | 8.68976 kn |
| 100 mph | 86.8976 kn |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
kn to mph (knot to mile per hour)