Which units are supported?

Metric and US/imperial length units such as mm, cm, m, km, inches, feet, yards, and miles.

How accurate are conversions?

We use standard definitions (e.g. 1 in = 25.4 mm exactly). Display may round for readability.

If listed, use it for aviation or marine; otherwise convert via km or statute miles.

Rounding intermediate steps vs one-step conversion can differ in the last digit.

Consumer tools use international foot definitions unless labeled otherwise.

No. Conversion runs in your browser.

Meters, feet, miles, inches, and more.

ValueFromTo

Result

3.2808399 ft

Informational only; verify critical results independently.

Enter the length number you know (e.g. 1.75 or 5/8 as a decimal).
Select the unit that matches your number (meters, feet, inches, etc.).
Select the unit you want; the result updates as you type.
Switch target units without retyping to compare ft, m, and cm for the same distance.
Use for travel, construction, sewing, or science—keep one source value consistent.
Copy the converted value or round for practical use (e.g. carpentry tolerances).

Which units are supported?: Metric and US/imperial length units such as mm, cm, m, km, inches, feet, yards, and miles.
How accurate are conversions?: We use standard definitions (e.g. 1 in = 25.4 mm exactly). Display may round for readability.
Nautical miles?: If listed, use it for aviation or marine; otherwise convert via km or statute miles.
Why is my hand calculation slightly off?: Rounding intermediate steps vs one-step conversion can differ in the last digit.
Survey feet vs international feet?: Consumer tools use international foot definitions unless labeled otherwise.
Is data sent online?: No. Conversion runs in your browser.

Last updated: 2025-09-14