speed · International · Modern
1 mile per hour = exactly 0.44704 m/s from the exact international mile and 3600-second hour.
informal Converter
speed · International · Modern
knot
kninformal
- Record
- M310
- Definition quality
- Standardized
- Conversion mode
- multiplicative
- Calculator
- Fully calculable
Definition
1 knot = 1 international nautical mile per hour = exactly 1852/3600 m/s.
Reference value
One knot is equal to 0.51444444 metre per seconds.
History & use
The knot is used in marine and aerial navigation and follows the international nautical mile.
Modern use
Modern-use scope is context-dependent; the website should follow the record's current-status and regional/system labels rather than imply universal use.
Did you know?
A knot is a speed, not a distance; saying 'knots per hour' for ordinary speed is dimensionally wrong.