The knot equals one nautical mile per hour โ 1.852 km/h. It is the international standard in marine navigation and aviation. Commercial airliners cruise at 450โ500 knots. Sailboats in light breeze: 2โ6 knots.
Real-world: Airbus A380 cruise: ~490 knots. Cruise ship: 20 knots. Sailing yacht: 6 knots typical.
Read full knot reference โMetres per second (m/s) is the SI base speed unit. Used in physics, sports-science studies, and wind-speed reporting (e.g., hurricanes). Usain Bolt's 100 m sprint averaged 10.44 m/s. Hurricane-force winds are above 32.7 m/s.
Real-world: Usain Bolt's 100 m: avg 10.44 m/s, peak 12.27 m/s. Hurricane minimum: 32.7 m/s. Walking: 1.4 m/s.
Read full meter per second reference โ