Frequently Asked Questions

Quick answers about measuring and converting.

Feet, inches and fractions

How many inches are in a foot?

Twelve. A yard is 36 inches and a mile is 63,360 inches.

What is the smallest mark on a tape measure?

On most US tapes it is 1/16". Some have 1/32" marks on the first foot.

How do I write feet and inches?

Feet use a single mark (') and inches a double mark ("): 5' 10" is five feet ten inches. Fractions follow the inches: 5' 10 1/2".

Using the calculators

Why does the result say "rounded"?

The exact answer fell between tape marks, so it was rounded to the nearest fraction you selected. Choose a finer rounding, like 1/32", for more precision.

Can I enter decimal inches?

Yes. Type decimals in the inches box, such as 10.75, and leave the fraction at 0.

What is the tape?

A running list of results with a total, saved in your browser. Use it to add up a cut list or several runs.

Can I enter metric values?

In the typing box, yes: 160 cm + 4' 2" works. The converters accept cm, mm and meters directly.

Conversions

How many cm is an inch?

Exactly 2.54 cm, so a foot is exactly 30.48 cm.

How do I convert decimal feet?

Multiply the decimal part by 12 for inches. See the decimal feet converter.

How do I get square feet from feet and inches?

Convert each side to decimal feet and multiply. The square feet calculator handles several rooms at once.

Back to measuring

Open the calculator and add your first measurement.

Open the calculator