39 Cotton count ne = 15.141026 Tex

Sound

39 Neper

338.74971 Decibel

Np → dB

Surface tension

14 Pound force per inch

2,451.78 Newton per Meter

lbf/in → N/m

Luminosity

31 Candela

31 Lumen

cd → lm

Frequency

87 Cycle per second

87 Hertz

cps → Hz

Area

78 Square Foot

7.246434 Square Meter

ft² → m²

Weight

62 Carat

12.4 Gram

ct → g