47 Pound force per inch = 8,230.97 Newton per Meter

Photography

72 Millimeter focal

2.834646 Inch focal

mm → in

Magnetic field

21 Nanotesla

2.100e-4 Gauss

nT → G

Electric resistance

49 Megaohm

0.049 Gigaohm

MΩ → GΩ

Sound

57 Microbar

5.7 Pascal

μbar → Pa

Volume

38 Fluid Ounce (US)

1,123.79 Milliliter

fl oz (US) → ml

Angle

28 Gradian

25.200048 Degree

grad → °