What this conversion means in practice
You already have values in Foot (feet) and need Inch (inches) for the same material, drawing, or dataset. The factor below is the exact reciprocal of the forward direction; use it when sources quote the “other” unit first.
This page focuses on one specific conversion pair so you can work faster and make fewer mistakes. Length values move between metric and imperial systems in construction, apparel sizing, sports, engineering, travel, and product specs. A single typo or wrong unit can throw off a whole estimate.
The key relationship for this page is 1 feet = 12 inches. Keep that in mind when doing quick reasonableness checks. If the result looks wildly off, the cause is usually the wrong source unit, a misplaced decimal, or copying a number that was already converted once.
Use the calculator for exact values, the table for fast lookup, and the unit notes when you need wording for docs, estimates, reports, or technical communication.
How to convert foot to inch
Multiply the foot value by 12 to get inch.
Example: 15 feet × 12 = 180 inches
Foot
Definition: A foot (ft) equals 0.3048 meters exactly.
History and origin: Historically anthropometric, later fixed by international agreement.
Current use: Used in height, building, and aviation altitude reporting.
Inch
Definition: An inch (in) equals 0.0254 meters exactly.
History and origin: Historically varied; now fixed relative to the meter for consistency.
Current use: Used for displays, hardware dimensions, and many US specifications.
Foot to Inch conversion table
| Foot (feet) | Inch (inches) |
|---|---|
| 0.1 feet | 1.2 inches |
| 1 feet | 12 inches |
| 2 feet | 24 inches |
| 3 feet | 36 inches |
| 5 feet | 60 inches |
| 10 feet | 120 inches |
| 20 feet | 240 inches |
| 50 feet | 600 inches |
| 100 feet | 1,200 inches |
| 1,000 feet | 12,000 inches |
Foot to Inch FAQ
Quick answers for Foot-to-Inch rounding (reverse workflow), precision, and common mistakes.
Is this conversion exact?
Some relationships are exact by definition, while displayed values are rounded for readability. For engineering and manufacturing, keep more decimal places and apply your project tolerance.
How many decimals should I use?
Everyday use is often fine with 2 to 3 decimals. Technical work may need 4+ decimals, especially for stacked tolerances, machining, and compliance-driven documentation.
What mistake happens most often?
Mixing similar abbreviations or converting a number twice is the most common error. Confirm the source unit first, then convert once using a consistent precision policy.