21 Square Kilometer = 8.108108 Square Mile

Energy

66 Electronvolt

1.057e-17 Joule

eV → J

Electric conductance

9 Microsiemens

9,000.00 Nanosiemens

μS → nS

Textile

45 Gram per square meter

1.327199 Ounce per square yard

g/m² → oz/yd²

Temperature

40 Celsius

313.15 Kelvin

°C → K

Pressure

15 Ksi

103.4214 Megapascal

ksi → MPa

Density

13 Gram per milliliter

13,000.00 Kilogram per Cubic Meter

g/mL → kg/m³