42 Celsius = 107.6 Fahrenheit

Sound

54 Watt per square meter

54 Decibel

W/m² → dB

Surface tension

45 Gram force per centimeter

4.412993 Newton per Meter

gf/cm → N/m

Photography

56 Degree angle

0.97738403 Radian angle

° → rad

Concentration

71 Parts per Million

71 Milligram per liter

ppm → mg/L

Textile

53 Cotton count ne

11.141509 Tex

Ne → tex

Viscosity

49 Pascal Second

490 Poise

Pa·s → P