Speed Converter

Popular speed conversions

• Kilometers per hour (km/h) → Knot (kn)
• Knot (kn) → Kilometers per hour (km/h)
• Kilometers per hour (km/h) → Mach (sea-level approx.)
• Mach (sea-level approx.) → Kilometers per hour (km/h)
• Kilometers per hour (km/h) → Meters per second (m/s)
• Meters per second (m/s) → Kilometers per hour (km/h)
• Kilometers per hour (km/h) → Miles per hour (mph)
• Miles per hour (mph) → Kilometers per hour (km/h)
• Knot (kn) → Mach (sea-level approx.)
• Mach (sea-level approx.) → Knot (kn)
• Knot (kn) → Meters per second (m/s)
• Meters per second (m/s) → Knot (kn)

About speed units

Speed is distance over time. SI uses m/s; transport commonly uses km/h or mph; maritime/aviation use knots.