Inches to Feet Converter — Free Online

Inches to Feet Converter: turn inches into centimetres using the exact 2.54 cm definition, with a quick reference table.

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Convert inches to centimetres using the exact definition 1 inch = 2.54 cm. The table covers common measurements from half an inch to 5 feet.

Step by step

  1. Type the value in inches: Enter a number in the From box — commas and spaces as thousands separators are fine.
  2. Read the result: The answer in centimetres appears instantly in the To box and in the large result line below.
  3. Swap if needed: Press the Swap units button (⇄) to convert the other way, or change either unit in its dropdown.
  4. Copy it: Use Copy to put the result on your clipboard, or check the reference table for common values.

Handy for

TV and monitor sizes

A 55-inch TV is 139.7 cm across the diagonal.

Paper and frames

Convert 8 × 10 or 4 × 6 inch photo sizes to centimetres.

Measurements from US sources

Use tutorials, patterns and plans written in inches.

Body measurements

Convert inch tape-measure readings into cm for forms.

Good to know

Questions

How accurate are the conversions?

They use the exact international definitions — 1 inch = 2.54 cm, 1 foot = 0.3048 m, 1 pound = 0.45359237 kg and 1 mile = 1.609344 km — so results are exact up to the 10 significant digits shown.

How many cm is 12 inches?

12 inches (one foot) is exactly 30.48 cm.

Is anything sent to a server?

No. Every calculation runs in your browser, so the numbers you type never leave your device. The page keeps working offline once it has loaded.

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