Unit converter
ClientPick Length, Temperature, or Weight, then enter one amount with a unit (for example 5 ft, 37 °C, or 16 oz). All math runs locally in your browser.
Length
?
Converts between metric and US customary length using standard factors (international inch = 0.0254 m, mile = 1,609.344 m). Paste a number with a unit, for example 5 ft, 2.54 cm, or 1 mi.
| Unit | Value | Copy |
|---|---|---|
| µm | 1000000.00 µm | |
| mm | 1000.00 mm | |
| cm | 100.00000 cm | |
| m | 1.0000000 m | |
| km | 0.001 km | |
| in | 39.37007874 in | |
| ft | 3.280839895 ft | |
| yd | 1.093613298 yd | |
| mi | 0.0006213711922 mi |
Nearby workflows on Toolcore
- Speed converter — when the same project also quotes km/h or knots.
- Volume converter — for liquid measures beside length and weight.
- Calculators hub — for tax, tip, and loan math on the same shopping trip.
Common use cases
- Convert blueprint or room dimensions between metric and US customary length in one paste.
- Compare oven, weather, or lab temperatures across Celsius, Fahrenheit, and kelvin.
- Translate recipe or shipping weights between grams, ounces, and pounds.
Common mistakes to avoid
Mixing up survey feet and international feet
For most everyday use the difference is tiny. For legal or survey-grade work, confirm the exact definition your domain requires.
FAQ
Are values sent to Toolcore?
No. Conversions run in your browser from the values you enter.
Common search terms
Phrases people search for that match this tool. See the full long-tail keyword index.
- length unit converter
- celsius to fahrenheit converter
- weight unit converter
- metric to imperial converter
More tools
Related utilities you can open in another tab—mostly client-side.
Speed converter
Clientm/s, km/h (kph), mph, knots, ft/s—paste one speed, see every column with standard mile and nautical definitions.
Volume converter
ClientmL, L, m³, cu ft, US fl oz/cup/qt/gal, UK gal—paste one volume, see every column (US liquid gallon defined).
Area converter
Clientmm² to km², sq ft, sq yd, acres (43,560 ft²), hectares—paste one area, see every column.
Pressure converter
ClientPa, kPa, MPa, bar, mbar, atm, psi, mmHg/torr, inHg—paste one pressure, see every column.