Watson
West Midlands
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Opening Hours:
Monday - Friday 8am - 7pm
Saturday : 9am - 6pm
Feet and Inches Calculator |
Convert & Calculate Dimensions Accurately
Add, subtract, and convert between feet, inches, and fractions in seconds. Perfect for construction, DIY projects, and design work.
Key Features of the Feet and
Inches Calculator
PRECISE FRACTIONAL MATH
Calculate exact measurements in 1/16 inch increments - critical for carpentry and precision work
AUTOMATIC UNIT CONVERSION
Results instantly display in combined feet-inches format AND decimal feet
ERROR-FREE OPERATIONS
Smart input validation prevents impossible measurements (e.g., 13" auto-converts to 1'1")
MOBILE-FRIENDLY DESIGN
Works perfectly on job sites - use your phone or tablet on construction projects
Feet And Inches Calculator :
Conversion Reference Table
COMMON CONVERSIONS
1 foot = 12 inches
3/4 inch = 0.75"
5/8 inch = 0.625"
1/2 inch = 0.5"
1/4 inch = 0.25"
How To Use Our
Feet & Inches Calculator
3 STEP CALCULATION GUIDE
1. Enter first measurement (Feet, Inches, Fraction)
2. Select operation (+, -, ×, or ÷)
3. Enter second measurement
→ Get instant normalized results in feet-inches and decimal formats
Feet And Inches:
FAQ Section
Q: How do I enter 5 feet 7½ inches?
A: Input: Feet=5, Inches=7, Fraction=1/2
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Q: Can I calculate with decimals instead of fractions?
A: Yes! Enter decimals in the inch field (e.g., 6.5 inches). Our calculator automatically converts to fractions.
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Q: How does it handle subtraction when Measurement B is larger?
A: Results show negative values (e.g., -2' 3"). Always subtract smaller from larger measurements.
Q: What's the maximum supported value?
A: Up to 999 feet - sufficient for most construction projects and room dimensions.
Q: Why does 12 inches display as 1 foot?
A: Our calculator automatically normalizes measurements - 12" becomes 1' 0", 13" becomes 1' 1", etc.
Q: Can I calculate area (square feet)?
A: Multiply length × width: 1) Calculate first dimension 2) Click "Store A" 3) Enter second dimension 4) Press ×
