3 inches in feet
3 inches written in feet and inches, decimal feet, and metric — exactly, the way TapeMath's engine rounds a tape to the nearest sixteenth.
3 inches =
=0' 3"
Feet & inches
0' 3"
Decimal feet
0.25 ft
Yards
0.083333 yd
Centimetres
7.62 cm
Millimetres
76.2 mm
Metres
0.076 m
How it's figured
3 ÷ 12
There are 12 inches in a foot, so
3 ÷ 12 = 0.25 ft, which reads as 0' 3" on a tape. For metric, one inch is exactly 25.4 mm: 3 × 25.4 = 76.2 mm (7.62 cm, 0.076 m).Nearby lengths
Inches around 3"
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 appComing soon — TapeMath is in final App Review. Meanwhile, use the free web calculator →