Speed Converter

Convert between speed units instantly

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62.137169

All Conversions

Meters/second2.7778e+1 m/s

Kilometers/hour1.0000e+2 km/h

Miles/hour6.2137e+1 mph

Feet/second9.1135e+1 ft/s

Knots5.3996e+1 kn

Mach (at sea level)8.0985e-2 Mach

Speed of Light9.2657e-8 c

Fascinating Speed Facts

💡

Speed of Light

Light travels at 299,792 km/s - fast enough to circle Earth 7.5 times in one second

🐆

Fastest Land Animal

Cheetahs can reach 120 km/h (75 mph) in just 3 seconds from standing

🏃

Human Sprint Record

Usain Bolt reached 44.72 km/h (27.8 mph) during his 100m world record

🔊

Sound Speed Varies

Sound travels at 343 m/s in air but 1,480 m/s in water - 4x faster!

🚀

Space Travel

The Voyager 1 spacecraft travels at 61,000 km/h, yet will take 40,000 years to reach the nearest star

🌐

Internet Speed

Fiber optic signals travel at 200,000 km/s - about 2/3 the speed of light

🌪️

Fastest Wind

The fastest wind ever recorded was 484 km/h (301 mph) during a tornado in Oklahoma

🦅

Peregrine Falcon

In a hunting dive, peregrine falcons reach 390 km/h (242 mph) - the fastest animal on Earth