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Foot to Inch Converter (ft to in)

Convert Foot (ft) to Inch (in) instantly. Enter any value and get the result immediately.

ft → in Converter

Foot to Inch Conversion Table

Foot (ft)Inch (in)
0.1 ft1.2 in
0.5 ft6 in
1 ft12 in
2 ft24 in
5 ft60 in
10 ft120 in
20 ft240 in
50 ft600 in
100 ft1200 in
200 ft2400 in
500 ft6000 in
1000 ft12,000 in
5000 ft60,000 in
10000 ft120,000 in

How to Convert Feet to Inches

Converting feet to inches is one of the simplest and most frequently used unit conversions within the imperial system. Since there are exactly 12 inches in every foot, simply multiply the foot value by 12. Use the converter above for instant results, or follow the formula and examples below.

in = ft × 12

Step-by-step example — Convert 6 ft to inches:

Step 1: 6 × 12 = 72 in

Step-by-step example — Convert 5 ft 8 in to total inches:

Step 1: 5 × 12 = 60 in
Step 2: 60 + 8 = 68 in

What is a Foot and an Inch?

Foot (ft) is an imperial and US customary unit of length equal to exactly 12 inches or 30.48 centimeters. Its origins date back to the length of a human foot used as a natural reference across ancient civilizations. Today, one foot is precisely defined by international agreement as 0.3048 meters. The foot is the standard unit for measuring human height in the United States, ceiling and room heights in construction, altitude in aviation globally, and terrain elevation in surveying and mapping. One foot is roughly the length of a standard 30 cm school ruler.

Inch (in) is an imperial and US customary unit equal to exactly 1/12th of a foot or 2.54 centimeters. Historically based on the width of a human thumb, the inch is defined today as exactly 25.4 millimeters by international agreement. It is widely used for measuring screen sizes (TV, monitor, smartphone diagonals), pipe diameters, screw and bolt sizes, tire widths, and small product dimensions across the US, UK, and Canada. One inch is roughly the width of an adult thumb at its widest point.

Foot to Inch Quick Reference Chart

Feet (ft)Inches (in)Common Reference
1 ft12 inStandard school ruler length
2 ft24 inTypical kitchen countertop depth
3 ft36 in1 yard / standard door handle height
4 ft48 inHeight of an average 7-year-old child
5 ft60 inAverage adult female height (US)
5 ft 9 in69 inAverage adult male height globally
6 ft72 inTall adult male reference height
8 ft96 inStandard ceiling height in homes
10 ft120 inBasketball hoop regulation height

Real World Uses of Foot to Inch Conversion

Frequently Asked Questions

How many inches are in a foot?

There are exactly 12 inches in one foot. So 1 ft = 12 in. This is one of the most fundamental relationships in the imperial measurement system.

What is the formula to convert feet to inches?

The formula is: in = ft × 12. Multiply any foot value by 12 to get the equivalent length in inches.

What is 5 feet in inches?

5 ft = 60 inches. This is a commonly referenced height conversion — 5 feet equals exactly five dozen inches.

What is 6 feet in inches?

6 ft = 72 inches. Six feet is often used as a benchmark for a tall adult and equals exactly 72 inches or 182.88 centimeters.

How do I convert feet and inches to just inches?

Multiply the feet by 12 and add the remaining inches. For example, 5 ft 4 in = (5 × 12) + 4 = 60 + 4 = 64 inches total.

Is a foot bigger or smaller than an inch?

A foot is larger. One foot equals 12 inches — so a foot is twelve times the size of a single inch.

How many feet and inches is 100 inches?

100 inches = 8 feet and 4 inches (since 8 × 12 = 96, and 100 − 96 = 4). To convert inches back to feet, divide by 12 to get the feet, and the remainder is the leftover inches.