Foot to Inch Converter
Enter the value that you want to convert foot (ft) to inch (in) or inch to foot.Also written as FT to IN conversion.
1 foot = 12.0000000 inch
Formula: inch = foot value × 12.0000000
FT to IN — foot to inch
10 foot = 120.00000 inch
Popular Length Converters:
Foot to Inch: The Essentials
What is Foot?
Foot (ft) is a unit of length measurement. 1 foot is equal to 12.0000000 inch.
The Inch Explained
Inch (in) is a unit of length measurement. 1 inch is equal to 0.0833333 foot.
Length Conversions in Practice
Length conversions connect the metric system used by most of the world with the imperial system still dominant in the United States, UK construction, and aviation. Architects convert between meters and feet for international projects. Machinists work in thousandths of an inch while referencing metric specifications. Runners compare kilometer race distances to miles. Screen sizes, paper formats, and fabric measurements all require frequent conversion between systems.
foot to inch metric conversion table
| 0.01 ft | = | 0.12000 in |
| 0.1 ft | = | 1.20000 in |
| 1 ft | = | 12.00000 in |
| 2 ft | = | 24.00000 in |
| 3 ft | = | 36.00000 in |
| 4 ft | = | 48.00000 in |
| 5 ft | = | 60.00000 in |
| 6 ft | = | 72.00000 in |
| 7 ft | = | 84.00000 in |
| 8 ft | = | 96.00000 in |
| 9 ft | = | 108.00000 in |
| 10 ft | = | 120.00000 in |
| 11 ft | = | 132.00000 in |
| 12 ft | = | 144.00000 in |
| 13 ft | = | 156.00000 in |
| 14 ft | = | 168.00000 in |
| 15 ft | = | 180.00000 in |
| 16 ft | = | 192.00000 in |
| 17 ft | = | 204.00000 in |
| 18 ft | = | 216.00000 in |
| 19 ft | = | 228.00000 in |
| 20 ft | = | 240.00000 in |
| 30 ft | = | 360.00000 in |
| 40 ft | = | 480.00000 in |
| 50 ft | = | 600.00000 in |
| 60 ft | = | 720.00000 in |
| 70 ft | = | 840.00000 in |
| 80 ft | = | 960.00000 in |
| 90 ft | = | 1080.00000 in |
| 100 ft | = | 1200.00000 in |
| 200 ft | = | 2400.00000 in |
| 300 ft | = | 3600.00000 in |
| 400 ft | = | 4800.00000 in |
| 500 ft | = | 6000.00000 in |
| 600 ft | = | 7200.00000 in |
| 700 ft | = | 8400.00000 in |
| 800 ft | = | 9600.00000 in |
| 900 ft | = | 10800.00000 in |
| 1000 ft | = | 12000.00000 in |
How to Convert FT to IN (Foot to Inch)?
We can convert foot to inch by using an example.
Example:
Convert 20 Foot to Inch?
We know 1 Foot = 12.0000000 inch; 1 Inch = 0.0833333 foot.
20 foot = ___in
20 × 12.0000000 = 240.00000 in (we know 1 foot = 12.0000000 inch)
Answer:
20 foot = 240.00000 inch
How to Convert Feet to Inches (Step-by-Step)
Converting feet to inches is used when you need precise measurements for construction, crafting, or specifications. Since 1 foot equals 12 inches, simply multiply by 12.
- Write down the measurement in feet (including any fractional feet).
- Multiply the feet value by 12.
- If the original has feet and inches (e.g., 5 ft 7 in), multiply only the feet by 12, then add the remaining inches.
Common Feet to Inches Conversions
Standard feet-to-inch conversions used in construction, body height, and product specifications.
| Foot | Inch |
|---|---|
| 1 foot | 12 inches |
| 2 feet | 24 inches |
| 3 feet | 36 inches |
| 4 feet | 48 inches |
| 5 feet | 60 inches |
| 6 feet | 72 inches |
| 8 feet | 96 inches |
| 10 feet | 120 inches |
Solved Examples: Feet to Inches
Question 1: A person is 5 feet 11 inches tall. What is their total height in inches?
Solution:
Convert feet to inches: 5 x 12 = 60 inches
Add the remaining inches: 60 + 11 = 71 inches
Answer: 5 ft 11 in = 71 inches total
Question 2: A fence panel is 6.5 feet tall. How many inches is that?
Solution:
inches = feet x 12
= 6.5 x 12
= 78 inches
Answer: 6.5 feet = 78 inches
Question 3: A 2x4 lumber board is 8 feet long. Express in inches.
Solution:
inches = 8 x 12
= 96 inches
Answer: 8 feet = 96 inches
Practice Questions
Try solving these on your own to test your understanding:
- Convert 4.5 feet to inches. (Answer: 54 inches)
- A doorway is 6 feet 8 inches tall. What is this in total inches? (Answer: 80 inches)
- Convert 12 feet to inches. (Answer: 144 inches)
- A countertop is 3.25 feet deep. How many inches? (Answer: 39 inches)
- A basketball rim is 10 feet high. Express in inches. (Answer: 120 inches)
Construction: Why Builders Use Inches
In US construction, framing dimensions are specified in inches for precision. A "2x4" is actually 1.5 x 3.5 inches. Plywood sheets are 48 x 96 inches (4 x 8 feet). Stud spacing is 16 inches on center (every 16 inches). Drywall sheets come in 48 x 96 or 48 x 120 inch sizes. Converting feet to inches ensures exact material cuts and avoids costly waste.
Precision Measurements: When Fractions Matter
In woodworking and machining, measurements often include fractions of an inch: 1/16, 1/8, 1/4, 1/2. Converting 3 feet 4-3/8 inches to total inches: (3 x 12) + 4.375 = 40.375 inches. CNC machines and table saws require inch inputs to 1/64 or 0.001 inch precision. Always convert fractional feet completely before setting up cuts.
Key Takeaways
- Multiply feet by 12 to get inches (1 foot = 12 inches).
- For feet-and-inches to total inches: (feet x 12) + inches.
- Standard lumber lengths: 8 ft = 96 in, 10 ft = 120 in, 12 ft = 144 in.
- Construction uses inches for precision: stud spacing is 16 inches on center.
- Medical/fitness forms often require height in total inches.
- A quick check: 5 feet = 60 inches is a useful mental anchor.
Foot to Inch Conversion Formula
inch = foot × 12.0000000
1 foot = 12.0000000 inch
1 inch = 0.0833333 foot
Reverse: foot = inch × 0.0833333
Frequently Asked Questions
How many inch are in 1 foot?
There are 12.0000000 inch in 1 foot. To convert foot to inch, multiply the value by 12.0000000.
How do I convert foot to inch?
Multiply your foot value by 12.0000000 to get the equivalent in inch. For example, 5 foot = 5 × 12.0000000 = 60.00000 inch.
How do I convert inch to foot?
Multiply your inch value by 0.0833333 to get the equivalent in foot. Alternatively, divide by 12.0000000.
What is 10 foot in inch?
10 foot is equal to 120.00000 inch.
What is 100 foot in inch?
100 foot is equal to 1200.00000 inch.