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With over 3,000 calculators, Inch Calculator is one of the largest and most trusted sites for calculations in math & science education, construction planning, electrical engineering, health & fitness, finance, automotive, and several other fields.

Featured Calculator: Feet and Inches Calculator

Add and subtract inches (as a decimal or fraction), feet, centimeters, and millimeters. For example, enter a value such as 6' 8 5/16" + 12 cm using our feet and inches length measurement calculator. Get results in inches, feet, centimeters, and millimeters automatically and see imperial and metric measurements.

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Results Converted to Inches, Feet, Millimeters, and Centimeters

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Imperial Units

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Inches (fraction)
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Inches
0
Feet

Metric Units

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Millimeters
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Centimeters
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Meters

About Inch Calculator

We aim to simplify the lives of professionals, students, homeowners, and DIYers with accurate yet easy to use calculators and tools to solve everyday problems.

We designed our calculators to provide the right amount of information with the solution, whether you only have time for a quick answer or want to understand the whole process.

We work closely with industry professionals and subject-matter experts to ensure our calculators are as accurate as possible, and we show you how each calculator works.

Learn more about us.