Feet to inches is the simplest imperial conversion but also one of the most frequent. Whether you’re converting your height to a single number, calculating how many inches of baseboard you need for a 12-foot wall, or entering dimensions into a tool that only accepts inches, this multiplication-by-12 calculator gets it done instantly.
How to Calculate Feet to Inches (Step by Step)
Step One: Multiply feet by 12
Every foot contains exactly 12 inches. Multiply your foot measurement by 12 to convert.
Inches = Feet x 12
Step Two: Worked example with default value (5 feet)
Inches = 5 x 12 = 60.00 in
5 feet equals exactly 60 inches.
Step Three: Handle decimal feet
If your measurement is in decimal feet (like 5.75 feet), the same formula works directly.
Inches = 5.75 x 12 = 69.00 in
This confirms that 5.75 feet = 5 feet 9 inches = 69 inches.
What Your Results Mean
The Inches result gives you the total inch count, useful for material calculations, height conversions, and data entry. The Centimeters result provides a metric equivalent for international contexts.
Decimal feet vs. feet-and-inches
Construction plans sometimes use decimal feet (5.5 ft) while conversations use feet-and-inches (5’6”). They’re the same thing: 0.5 feet = 6 inches, 0.25 feet = 3 inches, 0.75 feet = 9 inches. This calculator handles both forms since decimal feet produce decimal inches that resolve to exact values.
Height conversion reference
| Feet | Decimal Feet | Inches |
|---|---|---|
| 4’0” | 4.0 | 48 |
| 4’1” | 4.08 | 49 |
| 4’2” | 4.17 | 50 |
| 4’3” | 4.25 | 51 |
| 4’4” | 4.33 | 52 |
| 4’5” | 4.42 | 53 |
| 4’6” | 4.5 | 54 |
| 4’7” | 4.58 | 55 |
| 4’8” | 4.67 | 56 |
| 4’9” | 4.75 | 57 |
| 4’10” | 4.83 | 58 |
| 4’11” | 4.92 | 59 |
| 5’0” | 5.0 | 60 |
| 5’1” | 5.08 | 61 |
| 5’2” | 5.17 | 62 |
| 5’3” | 5.25 | 63 |
| 5’4” | 5.33 | 64 |
| 5’5” | 5.42 | 65 |
| 5’6” | 5.5 | 66 |
| 5’7” | 5.58 | 67 |
| 5’8” | 5.67 | 68 |
| 5’9” | 5.75 | 69 |
| 5’10” | 5.83 | 70 |
| 5’11” | 5.92 | 71 |
| 6’0” | 6.0 | 72 |
| 6’1” | 6.08 | 73 |
| 6’2” | 6.17 | 74 |
| 6’3” | 6.25 | 75 |
| 6’4” | 6.33 | 76 |
| 6’5” | 6.42 | 77 |
| 6’6” | 6.5 | 78 |
| 6’7” | 6.58 | 79 |
| 6’8” | 6.67 | 80 |
| 6’9” | 6.75 | 81 |
| 6’10” | 6.83 | 82 |
| 6’11” | 6.92 | 83 |
| 7’0” | 7.0 | 84 |
Need to go the other way? The inches to feet converter divides by 12. For metric outputs, the inches to cm calculator takes your inch result further, or use the inches to meters converter for larger measurements in SI units.