Foot (ft)
Exactly 0.3048 meters (international foot), or 12 inches.
What is a foot?
- Symbol
- ft
- Quantity
- Length
- Unit system
- US customary
- Definition
- Exactly 0.3048 meters (international foot), or 12 inches.
- Exact
- Yes, the value is exact by definition
- Source
- International yard and pound agreement (1959)
Common applications
Used in the United States for height, room dimensions and construction, and worldwide for aircraft altitude.
Foot in other length units
- 1 ft = 304800000 nmNanometer
- 1 ft = 304800 µmMicrometer
- 1 ft = 304.8 mmMillimeter
- 1 ft = 30.48 cmCentimeter
- 1 ft = 0.3048 mFoot to Meter converter
- 1 ft = 0.0003048 kmKilometer
- 1 ft = 3048000000 ÅÅngström
- 1 ft = 12000 milMil (thou)
- 1 ft = 12 inFoot to Inch converter
- 1 ft ≈ 0.3333333333 ydYard
- 1 ft ≈ 0.0001893939394 miMile
- 1 ft ≈ 0.0001645788337 nmiNautical mile
Foot quick reference
| Foot | Meter | Inch | Nanometer |
|---|---|---|---|
| 1 ft | = 0.3048 m | = 12 in | = 304800000 nm |
| 10 ft | = 3.048 m | = 120 in | = 3048000000 nm |
| 100 ft | = 30.48 m | = 1200 in | = 30480000000 nm |
| 1000 ft | = 304.8 m | = 12000 in | = 304800000000 nm |
Where the foot fits
The next smaller length unit is the inch (in). 1 ft = 12 in, and 1 in ≈ 0.08333333333 ft.
The next larger length unit is the yard (yd). 1 ft ≈ 0.3333333333 yd, and 1 yd = 3 ft.
Frequently asked questions
- How many meters are in one foot?
- One foot = 0.3048 m (meters).
- How many inches are in one foot?
- One foot = 12 in (inches).
- How many nanometers are in one foot?
- One foot = 304800000 nm (nanometers).