Find Your Calculator
Explore thousands of free calculators trusted by millions worldwide
With over 3,500 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.
Several government agencies and leading publications also trust our work and feature our tools!
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.
Results Converted to Inches, Feet, Millimeters, and Centimeters
Imperial Units
Metric Units
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 design 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 and the people dedicated to getting you the right answer every time.
Popular Calculators
Browse our most-used calculators, converters, and utilities to tackle any challenge.