An inch is exactly 0.0254 meters.
Inches to Feet Converter — in to ft
Convert Inch (in) to Foot (ft) using the exact conversion factor (1 inch = 0.0833333333 foot). See the formula, worked examples, conversion table, unit comparison, history, and common uses.
Inches to Feet converter
Converter
Length Converter
Convert SI, imperial, US customary, astronomical, scientific, and historical length units.
Context values
Some unit families need one extra value for a physically accurate result.
A foot is exactly 0.3048 meters.
Result = input x 0.0254 / 0.3048.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Inches to Feet
Inch and Foot both measure length. Inch is typically associated with united States and United Kingdom (small measurements, screen sizes, hardware), while Foot is typically associated with united States (height, construction, aviation altitude).
Formula
feet = inches × 0.0833333333333
This factor comes from each unit's defined relationship to the category's base unit: 1 inch equals 0.0254 base units, and 1 foot equals 0.3048 base units, so dividing one by the other gives the direct inch-to-foot factor of 0.0833333333333.
Simple example
1 in × 0.08333333333 = 0.0833333333 ft
1 inch = 0.0833333333 feet.
Real-world example
10 in × 0.08333333333 = 0.8333333333 ft
10 inches = 0.8333333333 feet.
Conversion table
| Inch (in) | Foot (ft) |
|---|---|
| 1 in | 0.0833333333 ft |
| 5 in | 0.4166666667 ft |
| 10 in | 0.8333333333 ft |
| 21.0975 in | 1.758125 ft |
| 42.195 in | 3.51625 ft |
| 100 in | 8.333333333 ft |
Reverse conversion: Foot to Inch
0.0833333333 ft × 12 = 0.9999999996 in
0.0833333333 feet = 0.9999999996 inches.
inches = feet × 12
For a page dedicated to this direction, see Foot to Inch.
Inch vs. Foot
| Aspect | Inch | Foot |
|---|---|---|
| Family | US/imperial customary unit | US/imperial customary unit |
| Typical use | Screen and display size measurement worldwide (even in metric countries) | Height measurement in the US and UK |
| Where it's used | United States and United Kingdom (small measurements, screen sizes, hardware) | United States (height, construction, aviation altitude) |
Understanding the Inch
Inch (in) measures distance. The international inch is defined as exactly 25.4 millimeters. It is classified as a US/imperial customary unit.
Where it's used: United States and United Kingdom (small measurements, screen sizes, hardware)
Uses of the Inch today
- Screen and display size measurement worldwide (even in metric countries)
- US/UK small-object and body measurement
- Hardware, tools, and pipe fittings (US)
History of the Inch
The inch traces to medieval England, traditionally defined as the length of three barleycorns, later standardized as 1/12 of a foot. The international inch (exactly 25.4 mm) was fixed by the same 1959 agreement that standardized the foot and yard.
Historical origin. Inch was not the invention of a single named person; it developed through the process described above.
Understanding the Foot
Foot (ft) measures distance. The international foot is defined as exactly 0.3048 meters. It is classified as a US/imperial customary unit.
Where it's used: United States (height, construction, aviation altitude) United Kingdom (height, some construction contexts)
Uses of the Foot today
- Height measurement in the US and UK
- US construction and real estate (square footage)
- Aviation altitude worldwide (feet remain standard even in metric countries)
History of the Foot
The foot has ancient roots (Roman 'pes', various regional English feet), standardized into the modern English foot over centuries. The international foot (exactly 0.3048 m) was fixed by the 1959 International Yard and Pound Agreement, resolving small historical differences between US and UK measurements.
Historical origin. Foot was not the invention of a single named person; it developed through the process described above.
Inch — sources
- NIST — International yard and pound (1959) — Fixes the modern inch at exactly 25.4 millimeters.
Foot — sources
- NIST — International yard and pound (1959) — Fixes the modern foot at exactly 0.3048 meters.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many feet are in 1 inch?
1 inch equals 0.0833333333 feet, using the exact defined conversion factor rather than an estimate.
How do I convert inch to foot?
Multiply the inch value by 0.08333333333. The converter above does this instantly to whatever precision you set.
How do I convert foot back to inch?
Use the reverse factor: 1 foot equals 12 inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a inch?
Inch (in) measures distance. The international inch is defined as exactly 25.4 millimeters. It is classified as a US/imperial customary unit.
What is a foot?
Foot (ft) measures distance. The international foot is defined as exactly 0.3048 meters. It is classified as a US/imperial customary unit.
Is the inch to foot conversion exact?
Yes. The international foot is defined as exactly 0.3048 meters. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
Where is the inch still used today?
United States and United Kingdom (small measurements, screen sizes, hardware)