Feet + Inches Calculator

How it works

Convert both measurements to inches, perform the operation, then convert back to feet and inches.

Simple example

12 ft 7 in plus 4 ft 11 in equals 17 ft 6 in.

Common question

Can a result be negative?

Yes, subtraction keeps the sign if the second measure is larger.

This is a planning estimate. Check product instructions, dimensions and site conditions before purchasing or building.