Understanding how to convert feet to inches is essential for construction, everyday measurements, education, and international standards. The feet to inches conversion is simple and widely used in the U.S. customary system. This guide explains how it works and includes a powerful calculator, a handy chart, and clear formulas.
Feet to Inches Calculator
Use the calculator below to convert feet into inches. It also shows the result in feet and inches format (e.g., 5.75 ft → 5 ft 9 in). Enter the number of feet in the box and then click the Convert button. The result is displayed below the calculator in both inches (in), and in feet and inches (ft and in) rounded to the nearest inch.
Table of Contents
- Feet to Inches Calculator
- What Is Feet to Inches?
- Feet to Inches Conversion Formula
- How to Convert Using a Calculator
- How to Convert in Python
- Tips for Feet to Inches Conversion
- Did You Know About Feet to Inches?
- Frequently Asked Questions About Feet to Inches
- How do I use a feet and inches calculator?
- Can I use a feet and inches calculator to convert height?
- Is the ft to inch conversion always exact?
- What is the formula for conversion feet to inches?
- Can I convert inches to feet and inches?
- Is there a conversion chart feet to inches?
- How accurate is the feet to inches calculator?
- Conclusion
What Is Feet to Inches?
The feet to inches conversion is the process of multiplying a measurement in feet by 12 to get its equivalent in inches. Since there are 12 inches in a foot, this is a straightforward conversion used in many fields.
Feet to Inches Conversion Table
| Feet | Inches |
|---|---|
| 1 | 12 |
| 2 | 24 |
| 3 | 36 |
| 5 | 60 |
| 6.5 | 78 |
| 10 | 120 |
| 20 | 240 |
| Feet | Inches |
|---|---|
| 5 | 60 |
| 10 | 120 |
| 20 | 240 |
| 50 | 600 |
| 100 | 1200 |
Common Use Cases
- Home improvement and construction
- Educational activities
- Travel measurements and conversions
- Height conversion (e.g., 5.5 ft = 66 in)
- Sports (e.g., vertical jumps, diving board height)
Feet to Inches Conversion Formula
To convert feet to inches, use the formula:
inches = feet × 12
Example:
Convert 6.5 feet to inches:
6.5 × 12 = 78 inches
How to Convert Using a Calculator
Enter your measurement in feet, multiply by 12, and you get inches. Most calculators, even basic ones, support this.
To convert manually:
- Enter the number of feet.
- Multiply the value by 12 (1 ft = 12 in).
- Round if needed.
Example:8.5 × 12 = 102 inches
How to Convert in Python
The following code shows how to convert feet to inches (ft to in) in a Python script.
feet = 6.5
inches = feet * 12
print(f"{feet} feet = {inches:.4f} inches")This will output: 6.5 feet = 78.0000 inches
Here’s a simple Python function:
def feet_to_inches(feet):
return feet * 12
print(feet_to_inches(6.25)) # Output: 75.0
Tips for Feet to Inches Conversion
- Always multiply by 12, regardless of whether the foot value is a whole or decimal number.
- To convert back, divide inches by 12.
- Round to 2 or 4 decimal places for accuracy depending on context.
- Use a calculator for accuracy when working with fractional feet (like 5.83 ft).
Did You Know About Feet to Inches?
The inch is based on historical standards from multiple cultures but standardized to 25.4 mm by international agreement. It’s commonly used in U.S. measurements.
The imperial system, used primarily in the U.S., is based on ancient Roman units. A foot was originally based on the length of a human foot. In contrast, the inch comes from the Latin uncia, meaning “one-twelfth part.”
Frequently Asked Questions About Feet to Inches
How do I use a feet and inches calculator?
A feet and inches calculator helps you convert a length in feet into both total inches and a combination of feet and inches.
Can I use a feet and inches calculator to convert height?
Yes. Our calculator provides both the total inches and the breakdown in feet and inches, perfect for converting height measurements.
Is the ft to inch conversion always exact?
Yes. The relationship is fixed: 1 foot = 12 inches with no exceptions.
What is the formula for conversion feet to inches?
You multiply the number of feet by 12 to get the number of inches.
Can I convert inches to feet and inches?
Yes, divide by 12 to get feet. The whole number is feet; multiply the remainder by 12 to get inches.
Is there a conversion chart feet to inches?
Yes, we provide a handy conversion chart above for quick reference.
How accurate is the feet to inches calculator?
It is accurate to four decimal places and uses standard U.S. conversion rules.
Conclusion
Converting feet to inches is a simple yet important task in many real-world scenarios. Whether you’re working on a DIY project or studying measurements, this conversion is foundational. Use our convert feet to inches calculator to get precise, instant results—plus feet and inches breakdown for added clarity.
See our length conversion category for converting other units of length.