Feet and Inches Calculator: Add, Subtract & Convert Imperial Measurements

Perform Feet and Inches Calculations

Unlock the power of precise imperial measurements with our Feet and Inches Calculator. Whether you're a builder, a DIY enthusiast, or simply need to combine lengths, our tool simplifies adding, subtracting, and converting feet and inches. Get accurate results instantly for your projects.

Formula:

The calculation involves converting feet to inches (1 foot = 12 inches), performing the operation on total inches, and then converting the result back to feet and inches:

  • Value 1 (Total Inches) = (Feet1 × 12) + Inches1
  • Value 2 (Total Inches) = (Feet2 × 12) + Inches2
  • Result (Total Inches) = Value 1 (Total Inches) ± Value 2 (Total Inches)
  • Result (Feet) = Floor(Result (Total Inches) ÷ 12)
  • Result (Inches) = Result (Total Inches) % 12

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