Instant · Precise · Universal
32 units available
6 categories total
To convert inches to cm: multiply by 2.54. To convert cm to inches: divide by 2.54.
1 in = 25.4 mm = 2.54 cm = 1/12 ft = 1/36 yd.
For example, 1 Inch (in) = 0.08333333333 Foot (ft).
| Inch (in) | Foot (ft) |
|---|---|
| 0.1 | 0.008333333333 |
| 0.5 | 0.04166666667 |
| 1 | 0.08333333333 |
| 2 | 0.1666666667 |
| 5 | 0.4166666667 |
| 10 | 0.8333333333 |
| 25 | 2.083333333 |
| 50 | 4.166666667 |
| 100 | 8.333333333 |
| 500 | 41.66666667 |
| 1000 | 83.33333333 |
The inch is a unit of length in the imperial and US customary systems, defined as exactly 25.4 millimeters.
1 in = 25.4 mm = 2.54 cm = 1/12 ft = 1/36 yd.
To convert inches to cm: multiply by 2.54. To convert cm to inches: divide by 2.54.
Screen sizes (TVs, monitors), drill bit sizes, pipe diameters, screw dimensions, and rainfall measurement in the US.
King Edward II of England defined the inch as 'three grains of barley, dry and round, placed end to end' in 1324.
Forgetting that fractions of an inch use powers of 2 (1/2, 1/4, 1/8, 1/16), not decimal subdivisions like metric.
Your thumb from tip to first knuckle is roughly 1 inch — a handy (literal) reference.
The foot is a unit of length equal to 12 inches or exactly 0.3048 meters.
1 ft = 12 in = 0.3048 m = 1/3 yd = 30.48 cm.
To convert feet to meters: multiply by 0.3048. To convert meters to feet: multiply by 3.28084.
Building plans, ceiling heights, personal height, pool depth, altitude in aviation, and real estate listings.
The international foot (0.3048 m exactly) differs slightly from the US survey foot (1200/3937 m), which was deprecated in 2023.
Confusing the foot with 30 cm (it's 30.48 cm). Also, forgetting that 5′10″ is not 5.10 feet — it's 5 feet 10 inches = 5.833 feet.
There are 3 feet in a yard and 5,280 feet in a mile. A 6-foot person is about 1.83 meters tall.



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