21 Feet per Second to Mach

Convert 21 feet per second (ft/s) to mach (Mach) with formulas, examples, and conversion tables.

ft/s
Mach
21 feet per second (ft/s) = 0.018809838667 mach (Mach)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 mach = 1116.43700787 feet per second
2Divide the value by the conversion factor:
21 ÷ 1116.43700787 = 0.018809838667
3Result:
21 feet per second (ft/s) = 0.018809838667 mach (Mach)
↔ Mach to Feet per Second

Feet per Second to Mach Conversion Table

Feet per SecondMach
1 ft/s0.000895707 Mach
2 ft/s0.00179141 Mach
3 ft/s0.00268712 Mach
4 ft/s0.00358283 Mach
5 ft/s0.00447853 Mach
10 ft/s0.00895707 Mach
20 ft/s0.0179141 Mach
21 ft/s0.0188098 Mach
50 ft/s0.0447853 Mach
100 ft/s0.0895707 Mach

21 Feet per Second in Other Units

Unit21 ft/s =
ft/s to m/s6.4008 m/s
ft/s to km/h23.0428615657 km/h
Feet per Second to Centimeters per Second640.08 cm/s
ft/s to mph14.3181818182 mph
Feet per Second to Inches per Second252 in/s
Feet per Second to Knots12.4421705764 kn
Feet per Second to Mach0.018809838667 Mach
Feet per Second to Speed of Light2.13507706054e-8 c
Feet per Second to Kilometers per Second0.0064008 km/s

Related Conversions

5 ft/s to Mach10 ft/s to Mach20 ft/s to Mach0.019 Mach to ft/sMach to Feet per Second ConverterFeet per Second to Mach Converter