Speed Converter

Convert between speed units instantly

Convert Speed

Enter a value and select a unit to convert

Converted Speed
96.56 km/h

All Conversions

Tip: Click any conversion card to set it as the main display unit.

Speed Comparison

See how your speed compares to common references

Your Speed
60 mph
Visual Comparison

Speed Reference Guide

Common speeds in everyday life and nature

🚶 Everyday Speeds
🚗 Transportation
🦅 Nature & Animals
🚀 Extreme Speeds

Conversion Formulas

Mathematical relationships between speed units

mph → km/h
km/h = mph × 1.60934
km/h → mph
mph = km/h × 0.621371
m/s → km/h
km/h = m/s × 3.6
km/h → m/s
m/s = km/h ÷ 3.6
mph → m/s
m/s = mph × 0.44704
knots → mph
mph = knots × 1.15078
Mach → m/s
m/s = Mach × 343
ft/s → mph
mph = ft/s × 0.681818
Note: Mach number varies with temperature and altitude. The standard value of Mach 1 = 343 m/s is at sea level and 20°C (68°F).