31 Square Kilometer = 11.969112 Square Mile
31 km² = 11.969112 mi²
Conversion Formula
1 km² = 0.38610039 mi²
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Density
62 Ounce per cubic foot
62.07192 Kilogram per Cubic Meter
oz/ft³ → kg/m³
Inductance
27 Henry
27,000.00 Millihenry
H → mH
Radiation
10 Kilobecquerel
2.703e-7 Curie
kBq → Ci
Flow rate
61 Barrel per day oil
9.698199 Cubic meter per day
bpd → m³/d
Cooking
87 Fluid Ounce (US)
2,572.89 Milliliter
fl oz (US) → ml
Electric voltage
28 Nanovolt
0.028 Microvolt
nV → μV