Knots to mph

Convert knots to miles per hour with visual comparison

10 kn × 1.15078 = 11.51 mph

mph

11.51 mph

mph = kn × 1.15078

Speed comparisonkn10mph11.51

About this calculator

Convert knots to miles per hour using the formula mph = kn × 1.15078. Knots are the international unit of speed for aviation and maritime navigation, while mph is common in the United States for road and weather reporting. Enter a knot value to see the equivalent mph with a visual comparison.

Common examples

  • 1 kn = 1.15 mph — one knot in miles per hour
  • 10 kn = 11.51 mph — typical small sailboat speed
  • 30 kn = 34.52 mph — fast patrol boat speed
  • 100 kn = 115.08 mph — light aircraft cruising speed
  • 500 kn = 575.39 mph — typical commercial jet speed