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Feet to Inches Converter

Quickly convert feet to inches with a simple, accurate calculator.

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Formula: in = ft × 12

How to Convert Feet to Inches

1
Start with the length in feet.
Example: 6 ft
2
Multiply by 12 to convert feet to inches.
6 × 12 = 72
3
The result is the inches value.
Answer: 72 in
4
Optional check. Divide the inches result by 12 to confirm you get back the original feet value.
72 ÷ 12 = 6 ft ✓
Note: This is the full rule: in = ft × 12. Since 1 ft = 12 in, the conversion is exact.

Feet to Inches Conversion Table

Use this quick reference table to convert feet to inches for common values. The standard formula is in = ft × 12.

Feet (ft) Inches (in) Feet (ft) Inches (in) Feet (ft) Inches (in)
1 ft
1 foot		 12 in 9 ft
9 feet		 108 in 20 ft
20 feet		 240 in
2 ft
2 feet		 24 in 10 ft
10 feet		 120 in 24 ft
24 feet		 288 in
3 ft
3 feet		 36 in 11 ft
11 feet		 132 in 25 ft
25 feet		 300 in
4 ft
4 feet		 48 in 12 ft
12 feet		 144 in 30 ft
30 feet		 360 in
5 ft
5 feet		 60 in 13 ft
13 feet		 156 in 32 ft
32 feet		 384 in
6 ft
6 feet		 72 in 14 ft
14 feet		 168 in 40 ft
40 feet		 480 in
7 ft
7 feet		 84 in 15 ft
15 feet		 180 in 3.5 ft
3.5 feet		 42 in
8 ft
8 feet		 96 in 16 ft
16 feet		 192 in 4.5 ft
4.5 feet		 54 in

The Feet to Inches Formula

in = ft × 12 Inches = Feet × 12

To convert feet to inches, multiply the feet value by 12. This works because 1 ft = 12 in.

Worked Examples

1 ft to in
1 × 12 = 12 in
Exactly 1 foot
5 ft to in
5 × 12 = 60 in
5 feet
6 ft to in
6 × 12 = 72 in
Common height reference
0.5 ft to in
0.5 × 12 = 6 in
Half foot

How to Convert Feet to Inches

Take the value in feet, multiply by 12, and the result is in inches.

Reverse Formula (Inches to Feet)

ft = in ÷ 12 Feet = Inches ÷ 12

Use our Inches to Feet Converter → for the reverse operation.

About the Foot and Inch Units

The foot (plural: feet, symbol: ft) is a unit of length in the imperial and US customary measurement systems. One foot is defined as exactly 0.3048 meters, making it a precise legal measurement recognized internationally.

The inch (symbol: in or ") is a unit of length equal to exactly 1/12 of a foot. There are 12 inches in one foot and 36 inches in one yard. Inches are widely used in the United States, United Kingdom, and Canada for everyday measurements including height, screen sizes, and construction.

The feet to inches conversion factor of 12 has ancient roots — the Roman "uncia" (from which "inch" derives) represented 1/12 of a foot. This relationship has remained constant for centuries and is still used in the imperial system today.

When to Use Feet vs. Inches

Use feet when measuring larger distances such as room dimensions, building heights, ceiling heights, and a person's overall height (especially in the US). Use inches for finer measurements: TV screen sizes, waist sizes, smaller dimensions in construction, and precise height breakdowns. The feet to inches calculator above handles both directions instantly.

Feet to Inches Conversion Chart (ft to in)

Quick reference for ft to in conversion. Use the calculator above to convert any value instantly.

0 ft0 in
0.5 ft6 in
1 ft12 in
2 ft24 in
3 ft36 in
4 ft48 in
5 ft60 in
6 ft72 in
7 ft84 in
8 ft96 in

Frequently Asked Questions

You just multiply 16 by 12. That gives you exactly 192 inches.
A length of 20 feet is the same as 240 inches. This is a common length for things like storage containers.
Since every foot has 12 inches, you just do a quick multiplication to get 156 inches.
Fractions can be a little tricky at first. But 3.5 feet works out perfectly to 42 inches.
You end up with 54 inches. That's a very standard size for medium rugs.
This one's super easy to calculate. 30 times 12 is exactly 360 inches.
If you're measuring something this long, it comes out to 384 inches.
Sure, 6.5 feet is exactly 78 inches. You'll see this measurement a lot when buying tall interior doors.

Length Converters

Inches to Feet Feet to Centimeters Centimeters to Feet Inches to Centimeters Centimeters to Inches