Feet to Inches Converter
Quickly convert feet to inches with exact decimal, fractional carpentry accuracy, and mixed feet-and-inches notation. Also supports reverse inches-to-feet conversions.
Input Measurement
ft
Conversion Result
Calculated Inches
66 in
Fraction: 66" (5 ft 6 in)
Total Inches
66.00 in
Exact value
Fractional Inches
66"
Nearest 1/16" carpentry fraction
Feet + Inches
5 ft 6 in
5' 6" notation
Yards
1.83 yd
Divide ft by 3
Centimeters (cm)
167.64 cm
1 in = 2.54 cm
Meters (m)
1.68 m
1 ft = 0.3048 m
Conversion Formula & Steps
Formula: Inches = Feet × 12
Calculation: 5.5 × 12 = 66.00 inches
Proportional 1-Foot Ruler Guide
1 Foot = 12 Inches
Quick Reference: Feet to Inches Conversion Chart
| Feet (ft) | Inches (in) | Yards (yd) | Centimeters (cm) | Meters (m) |
|---|---|---|---|---|
| 1 ft | 12 in | 0.33 yd | 30.48 cm | 0.30 m |
| 2 ft | 24 in | 0.67 yd | 60.96 cm | 0.61 m |
| 3 ft (1 yard) | 36 in | 1.00 yd | 91.44 cm | 0.91 m |
| 4 ft | 48 in | 1.33 yd | 121.92 cm | 1.22 m |
| 5 ft | 60 in | 1.67 yd | 152.40 cm | 1.52 m |
| 5' 4" (64 in) | 64 in | 1.78 yd | 162.56 cm | 1.63 m |
| 5' 8" (68 in) | 68 in | 1.89 yd | 172.72 cm | 1.73 m |
| 6 ft | 72 in | 2.00 yd | 182.88 cm | 1.83 m |
| 8 ft (standard ceiling) | 96 in | 2.67 yd | 243.84 cm | 2.44 m |
| 10 ft | 120 in | 3.33 yd | 304.80 cm | 3.05 m |
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How to Convert Feet to Inches
In the United States customary and British imperial measurement systems, 1 foot is exactly equal to 12 inches. This standard definition was established internationally in the 1959 International Yard and Pound Agreement, defining 1 yard as exactly 0.9144 meters, which makes 1 inch exactly 25.4 millimeters (2.54 centimeters).
The Feet to Inches Formula
To convert any measurement from feet to inches, simply multiply the number of feet by 12:
Inches = Feet × 12
How to Convert Inches Back to Feet
To convert inches into feet, divide the number of inches by 12:
Decimal Feet = Inches ÷ 12
For whole feet and remaining inches (mixed format):
- Divide the total inches by 12 using integer division to get whole feet.
- Calculate the remainder:
Remaining Inches = Total Inches − (Whole Feet × 12). - For example, 68 inches ÷ 12 = 5 whole feet with a remainder of 8 inches (5 ft 8 in).
Realistic Example: Measuring Room Dimensions & Human Height
Example 1: Construction & Drywall: A standard interior stud wall is 8.5 feet tall. To know the exact drywall sheet height in inches:
- Calculation: \(8.5 \times 12 = 102 \text{ inches}\)
- Result: 102" drywall panels or studs are required.
Example 2: Human Height: A person is 5 feet 10 inches tall:
- First, convert the feet to inches: \(5 \times 12 = 60 \text{ inches}\)
- Then add the remaining 10 inches: \(60 + 10 = 70 \text{ inches}\)
- In metric: \(70 \times 2.54 = 177.8 \text{ cm}\) (or 1.78 meters)
How to Use This Converter
- Select Your Mode: Choose Decimal Feet for values like 5.5 ft, Feet & Inches for mixed measurements like 5' 8", or Inches to Feet to reverse the calculation.
- Enter Measurement: Type your values directly or tap one of the convenient preset chips for quick common dimensions.
- Choose Precision: Select your preferred decimal precision (2, 3, or 4 decimal places) to match your blueprint or project requirements.
- Review Results: Instantly inspect decimal inches, reduced carpentry fractions (1/16"), yards, and metric conversions (cm and m).
- Copy or Print: Click "Copy Result" to paste into notes or takeoffs, or "Print / PDF" to generate an archival paper copy.
Frequently Asked Questions
How many inches are in a foot? +
There are exactly 12 inches in 1 foot. To convert feet to inches, multiply the number of feet by 12.
How do you convert fractional feet (like 5.5 ft) to inches? +
Multiply the decimal number by 12. For 5.5 feet: 5.5 × 12 = 66 inches. The 0.5 feet represents half a foot (6 inches), so 5.5 ft equals 5 feet 6 inches.
How many inches is 6 feet? +
6 feet equals exactly 72 inches (6 × 12 = 72 in). In metric, 6 feet equals 182.88 cm (1.83 meters).
What is 5' 8" in total inches? +
5 feet 8 inches equals 68 inches total. Multiply 5 feet by 12 to get 60 inches, then add the remaining 8 inches (60 + 8 = 68 in).
How do I convert inches to centimeters and meters? +
1 inch is defined internationally as exactly 2.54 centimeters (0.0254 meters). Multiply inches by 2.54 to obtain centimeters, or divide centimeters by 100 to get meters.
Why does carpentry use fractional inches instead of decimals? +
US tape measures and rulers are graduated in binary fractions (halves, quarters, eighths, sixteenths, thirty-seconds). Converting decimal inches to the nearest 1/16" allows immediate, error-free alignment with standard measuring tapes.