Length Converter
Convert between metric and imperial length units instantly — km, m, cm, mm, µm, nm, miles, yards, feet, and inches.
Reviewed October 7, 2026 Runs in your browser — inputs are never stored
1 Meter = 3.2808 Foot
Conversion table — 1 m equals:
| Unit | Symbol | Value | Group |
|---|---|---|---|
| Kilometer | km | 0.001 | Metric |
| Meterselected | m | 1 | Metric |
| Centimeter | cm | 100 | Metric |
| Millimeter | mm | 1,000 | Metric |
| Micrometer | µm | 1,000,000 | Metric |
| Nanometer | nm | 1,000,000,000 | Metric |
| Mile | mi | 0.00062137 | Imperial |
| Yard | yd | 1.0936 | Imperial |
| Footselected | ft | 3.2808 | Imperial |
| Inch | in | 39.3701 | Imperial |
Want to learn more? Read our comprehensive Length Converter guide — with conversion tables, formulas, and practical examples.
This tool provides general unit conversions for everyday and educational use. For regulated, legal, or scientific applications, verify conversion factors against the applicable official standard.
About the Length Converter
A length converter is a focused measurement tool that translates distances between metric and imperial units — kilometres, metres, centimetres, millimetres, micrometres, nanometres, miles, yards, feet, and inches. It is designed for engineers reviewing drawings, builders working with mixed plans, students solving physics problems, travellers interpreting foreign road signs, and crafters following international patterns. Rather than memorising factors such as 2.54 centimetres per inch or 0.3048 metres per foot, you choose the source and target units, enter a value, and receive an exact result instantly. The converter uses internationally defined SI reference factors, displays a full live conversion table for every unit, and shows the formula and step-by-step working behind each result. A one-click swap button reverses the direction, while copy and share actions help you save or pass on an answer. By handling the arithmetic automatically and to high precision, the tool removes the rounding errors that creep into manual conversion and gives you reliable, private results for any length measurement you encounter.
How to use it
- 1Type the value you want to convert.
- 2Choose the unit you are converting from and the unit you want (for example feet to metres).
- 3The result updates as you type; use the swap button to reverse the direction.
- 4Copy or share the result with the buttons below it.
Worked example
5 miles × 1.609344 = 8.04672 km, and 10 metres ÷ 0.3048 = 32.81 feet. A 6-foot-tall person is 6 × 30.48 = 182.88 cm.
Who it is for
Engineers reviewing drawings with mixed unit systems, builders working from imperial plans, students solving physics problems, travellers interpreting foreign road signs, and crafters following international patterns.
Why it helps
Length conversions use exact SI factors (1 in = 25.4 mm, 1 ft = 0.3048 m) that are easy to misplace by hand; the tool applies them instantly and shows a full live table so you can verify any unit at a glance.
Common use cases
- Converting a running or driving distance between miles and kilometres
- Reading metric dimensions on imported furniture or tools
- Converting heights between feet and centimetres
Tips for better results
- For construction work, keep the whole project in one unit system and convert only at the end to avoid compounding rounding.
- Use the swap button to reverse a conversion without re-entering the value — handy when comparing a foreign spec to a local one.
- Check the conversion table to see your value across every supported unit at once, which catches order-of-magnitude mistakes.
- For very small units (µm, nm), switch to scientific notation mentally — 1000 nm = 1 µm = 0.001 mm.
Common mistakes to avoid
- Confusing metres with feet on international drawings — 1 m ≈ 3.28 ft, not 1:1.
- Rounding each step of a multi-unit chain instead of rounding only the final answer.
- Mixing US survey feet with international feet on high-precision work (they differ by ~2 mm per mile).
- Forgetting that miles are 1,609.344 m, not a round 1,500 m, when estimating distances.
Frequently asked questions
A:Exactly 2.54 cm. So 1 inch = 2.54 cm, and 1 cm ≈ 0.3937 inches.
A:Exactly 5,280 feet. A mile is 1,609.344 metres.
A:Multiply metres by 3.28084 (or divide by 0.3048) for exact IEEE-standard results.
A:Yes. Negative values are valid — they represent directions or differences below a reference point.
Reviewed for accuracy · Last updated October 7, 2026
Conversion factors are based on internationally defined SI units and standard metric/imperial equivalence tables.
CalcWisee Editorial Team
Calculator development and formula review
CalcWisee is an independent site founded by Ayman. Every calculator is built from a published formula or official definition, tested against hand-worked examples before it goes live, and corrected promptly when a reader reports an issue to ayman@calcwisee.com.
Expertise: Financial mathematics, Health and fitness formulas, Applied mathematics, Unit conversion standards
References & sources
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