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CALCULATORS · FREE ONLINE TOOL

Unit Converter

Convert length, weight, area, volume and speed between metric and imperialAn American recipe calls for two cups of flour, your scale speaks grams, and the cake cannot wait. Pick a category like length, weight or volume, choose from and to units, and get the exact equivalent.

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// UNIT CONVERTER · GET STARTED

Use Unit Converter

Convert length, weight, area, volume and speed between metric and imperial

1 Meter (m) = 3.2808399 Foot (ft)

// UNIT CONVERTER · HOW IT WORKS

How to use the Unit Converter

01

Pick a category

Choose a category: length, weight, area, volume or speed.

02

Enter value and units

Enter a value and pick the from and to units.

03

Read or swap the result

Read the converted result, or tap swap to reverse the conversion.

// UNIT CONVERTER · ABOUT THIS TOOL

About the Unit Converter

Recipes from another country, a product listing in inches, a speed limit sign in mph: unit conversions come up constantly, and guessing is how mistakes happen. This free converter covers length, weight, area, volume and speed, with metric and imperial side by side.

Every conversion runs through one base unit per category using officially defined factors, so answers stay consistent in either direction. Switch tabs to change category and swap units with one click.

Where it helps most

One tool, every measurement.

Recipe conversions

Cooks convert cups to milliliters and ounces to grams mid-recipe, without abandoning the dish to search conversion charts while you cook.

DIY builds

DIY builders translate plans between systems before cutting a single board, so that every cut lands exactly right the first time.

Travel abroad

Travelers decode speed limits, distances and luggage weight limits abroad, where the units never match home or make any sense.

School homework

Students check physics and chemistry homework with exact conversion factors instead of rounded guesses pulled from memory the night before.

Converting well

Exact factors, both directions.

Exact factors

The factors are exact: 1 inch is precisely 2.54 centimeters, which matters when a 'close enough' conversion compounds across a whole recipe.

Both directions

Metric to imperial and back works in both directions, so it does not matter which side your number starts on.

Category system

Length covers millimeters through miles, weight runs grams to tons and pounds, and volume, area and speed fill out the rest.

Unit Converter: built for trust

Pick a category, choose your units, type the number. Exact equivalents with proper conversion factors, instantly.

// UNIT CONVERTER · COMMON QUESTIONS

Unit Converter FAQs

Multiply inches by 2.54. So 10 inches is exactly 25.4 centimeters. Select length in the converter, pick inches to centimeters, and it applies the exact factor.