81 Kilogram = 178.574578 Pound

Sound

78 Watt per square meter

78 Decibel

W/m² → dB

Luminosity

25 Candela

25 Lumen

cd → lm

Surface tension

87 Gram force per centimeter

8.531786 Newton per Meter

gf/cm → N/m

Fuel consumption

20 Gallon per kilometer us

75.7082 Liter per kilometer

gal/km(US) → L/km

Energy

45 Joule

10.755258 Calorie

J → cal

Electric charge

5 Franklin

1.668e-9 Coulomb

Fr → C