21 Kilometer = 13.048795 Mile
21 km = 13.048795 mi
Conversion Formula
1 km = 0.62137119 mi
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Density
58 Pound per Cubic Inch
1.605e+6 Kilogram per Cubic Meter
lb/in³ → kg/m³
Sound
86 Decibel
8.6 Bel
dB → B
Electric resistance
69 Quantum resistance
1.781e+6 Ohm
RₖQ → Ω
Pressure
79 Technical atmosphere
77.472535 Bar
at → bar
Flow rate
56 Acre foot per day
69,074.78 Cubic meter per day
ac·ft/d → m³/d
Speed
58 Kilometer per Hour
36.039558 Mile per Hour
km/h → mph