21000 Kilometers per Hour to Kilometers per Second

Convert 21000 kilometers per hour (km/h) to kilometers per second (km/s) with formulas, examples, and conversion tables.

km/h
km/s
21000 kilometers per hour (km/h) = 5.833338 kilometers per second (km/s)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 kilometer per second = 3599.99712 kilometers per hour
2Divide the value by the conversion factor:
21000 ÷ 3599.99712 = 5.833338
3Result:
21000 kilometers per hour (km/h) = 5.833338 kilometers per second (km/s)
↔ Kilometers per Second to Kilometers per Hour

Kilometers per Hour to Kilometers per Second Conversion Table

Kilometers per HourKilometers per Second
1 km/h0.000277778 km/s
2 km/h0.000555556 km/s
3 km/h0.000833334 km/s
4 km/h0.00111111 km/s
5 km/h0.00138889 km/s
10 km/h0.00277778 km/s
20 km/h0.00555556 km/s
50 km/h0.0138889 km/s
100 km/h0.0277778 km/s
21000 km/h5.83334 km/s

21000 Kilometers per Hour in Other Units

Unit21000 km/h =
km/h to m/s5833.338 m/s
Kilometers per Hour to Centimeters per Second583333.8 cm/s
km/h to mph13048.805476 mph
km/h to ft/s19138.2480315 ft/s
Kilometers per Hour to Inches per Second229658.976378 in/s
km/h to Knots11339.1117401 kn
km/h to Mach17.1422551353 Mach
Kilometers per Hour to Speed of Light1.94579211195e-5 c
Kilometers per Hour to Kilometers per Second5.833338 km/s

Related Conversions

5 km/h to km/s10 km/h to km/s20 km/h to km/s5.8 km/s to km/hKilometers per Second to Kilometers per Hour ConverterKilometers per Hour to Kilometers per Second Converter