42 Mmhg = 5,599.52 Pascal

Photography

33 Degree angle

0.57595845 Radian angle

° → rad

Electric conductance

55 Quantum conductance

0.00426145 Siemens

G₀ → S

Density

1 Pound per gallon us

119.826 Kilogram per Cubic Meter

lb/gal(US) → kg/m³

Time

5 Century

500 Year

century → yr

Luminosity

13 Candela

13 Lumen

cd → lm

Sound

56 Picowatt per square meter

5.600e-11 Watt per square meter

pW/m² → W/m²