Convert Feet to Inches

Instantly convert feet (ft) to inches (in). Enter a value to see the result and the conversion formula.

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How our Feet to Inches unit converter works

To ensure maximum accuracy when converting Feet to Inches, our calculator uses a scientific pivot method. Instead of relying on a potentially inaccurate direct conversion, the system first converts ft into the base unit of the International System (the meter), then recalculates the result into in. This approach drastically reduces rounding errors.

About this conversion

With 12 inches to a foot, this intra-system conversion is the backbone of the North American construction and lumber industries.

When to use this conversion

Indispensable for carpentry, measuring rooms for furniture, or reading architectural blueprints in the US and Canada.

Formula

Inches (in) = Feet (ft) × 12

Tip: You can swap units and convert decimals. Results are rounded for readability.

Examples

Feet (ft) Inches (in)
1 ft 12 in
2 ft 24 in
5 ft 60 in
10 ft 120 in
20 ft 240 in
50 ft 600 in
100 ft 1200 in
250 ft 3000 in
500 ft 6000 in
1000 ft 12000 in

FAQ

Why are there 12 inches in a foot?

The 12-base system is easily divisible by 2, 3, 4, and 6, which made carpentry and trade calculations simpler in the past.

How do I read measuring tape correctly?

Imperial tapes are divided into fractions (1/16, 1/8, 1/4 inch) rather than decimals, which requires practice for precise cuts.