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Length Converter

Convert inches, feet, miles, and metric lengths with exact factors.

Your numbers

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Updates as you type
Converted value
3.048m

Calculated from your inputs · rounded for display

Original value10ft

Conversion factors use exact international definitions.

Your calculation, step by step

No black boxes
  1. 10 ft × 0.3048 ÷ 1 = 3.048 m.

How to use this calculator

  1. Enter your own values in the labeled fields. Check the units and assumptions before comparing results. Only the fields needed for your selected calculation mode are shown.
  2. Your answer updates automatically. Review the calculation steps to see exactly how it was calculated.
  3. Copy, share, save, or download your result. Saved inputs stay on this device.

How the calculation works

Output = input × meters per source unit / meters per destination unit

Every supported length is converted through meters. The international inch equals exactly 0.0254 meters, and the international foot equals exactly 0.3048 meters. Historical survey-foot definitions are not used.

A worked example

10 feet × 0.3048 = 3.048 meters.

Reading your result

Use the main result together with its units and supporting figures. Display values are rounded; calculations keep their underlying precision. A change in inputs or assumptions can change the answer. Compare the step-by-step working with your intended use before relying on an estimate.

Frequently asked questions

Which foot definition is used?

The international foot, exactly 0.3048 meters.

Can I convert miles to kilometers?

Yes. One international mile is exactly 1.609344 kilometers.

Sources & methodology

This calculator uses the mathematical identity and assumptions stated above. No current rates, prices, or external data are loaded. Conversion tools use international unit definitions.

Formula review: October 24, 2026. Read our methodology.