Feet And Inches Calculator
Perform arithmetic operations (addition, subtraction, multiplication, division) on measurements in feet and inches. Results are displayed in feet and inches format.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Feet and Inches Calculator
- Enter Value 1: Type the feet in the Feet field and inches (0 to 11.875) in the Inches field. Inches must be less than 12.
- Enter Value 2: Repeat for the second measurement.
- Choose an Operation: Select Add, Subtract, Multiply, or Divide from the dropdown.
- Click Calculate: Press the blue Calculate button.
- Read the Result: The result appears in feet and inches (e.g., "5 ft 3.50 in") with a formula summary below.
Important Notes:
- All inputs must be non-negative numbers.
- Inches must be between 0 and 11.999 (use decimals like 0.5 for half inches).
- For division or multiplication, Value 2 cannot be zero.
- Subtraction will fail if the result would be negative.
Previous Results
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Frequently Asked Questions
Enter the feet and inches for two values, select an operation (add, subtract, multiply, divide), and click Calculate. The result is shown in feet and inches.
Yes, you can multiply or divide the total inches. Note that multiplication and division are performed on the total inch values, not on the mixed units directly.
For subtraction, if the result is negative, an error message is displayed. Please ensure the first value is larger than the second.