Home › Tools › Inch fractions › 5/32"

5/32 inch to decimal

The exact decimal value of 5/32 of an inch, with millimetres, centimetres and decimal feet — the numbers a tape or a caliper actually shows.

5/32 inch =

=0.15625 in

Decimal inch

0.15625"

Millimetres

3.96875 mm

Centimetres

0.396875 cm

Decimal feet

0.013021 ft

How it's figured

5 ÷ 32

A fraction of an inch is just the top number divided by the bottom: 5 ÷ 32 = 0.15625". For metric, one inch is exactly 25.4 mm, so 0.15625" × 25.4 = 3.96875 mm. TapeMath keeps this exact as a fraction internally, so it never drifts the way a rounded decimal can.

Fractions nearby

The sixty-fourths around 5/32"

Fraction	Decimal inch	Millimetres
7/64"	0.109375	2.778125 mm
1/8"	0.125	3.175 mm
9/64"	0.140625	3.571875 mm
5/32"	0.15625	3.96875 mm
11/64"	0.171875	4.365625 mm
3/16"	0.1875	4.7625 mm
13/64"	0.203125	5.159375 mm

Full inch-fraction chart Open the calculator

The same math, offline

Every calc, on your tape measure — even with no signal.

TapeMath for iPhone runs this exact engine offline, adds rafters, stairs, studs, pitch and a paperless tape, and the key layout your thumbs already know. $9.99 once — no subscription, ever.

See the app

Coming soon — TapeMath is in final App Review. Meanwhile, use the free web calculator →