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Unit Converter

Convert between 7 measurement categories and 40+ units — length, weight, temperature, area, volume, speed, and time.

How to Use the Unit Converter

Select a category (length, weight, temperature, volume, speed, and more), enter a value, choose the source unit and the target unit, then click Convert. The conversion is instant and supports both metric and imperial systems.

Handy for cooking (grams to cups), travel (km to miles, Celsius to Fahrenheit), fitness (kg to lb), or international shipping (cm to inches). Double-check the unit spelling when converting similar names - fluid ounces and ounces measure different things.

Bookmark this page if you work across measurement systems regularly. For precision work, always round to the appropriate number of significant figures rather than relying on mental math.

For cooking conversions, check whether the recipe uses weight or volume units and convert within the same system when possible. For temperature, remember the handy points: 0 C is 32 F, 100 C is 212 F, and body temperature is about 37 C.

About This Unit Converter

This free unit converter handles conversions between 7 measurement categories with 40+ units. Whether you need to convert meters to feet for a DIY project, kilograms to pounds for fitness, or Celsius to Fahrenheit for cooking — get accurate results instantly. All processing happens in your browser.

Why Accurate Unit Conversion Matters

How to Use

  1. Select the category (length, weight, temperature, etc.)
  2. Enter the value you want to convert
  3. Choose the from and to units
  4. Click Convert to see the result

Frequently Asked Questions

How many units are supported?

40+ units across 7 categories: length, weight, temperature, area, volume, speed, and time.

How accurate are the conversions?

Conversions use standard conversion factors and are accurate to 6 decimal places. Temperature conversions use exact formulas.

Can I convert Celsius to Fahrenheit?

Yes. Select the temperature category, enter a value in Celsius, and choose Fahrenheit as the target unit.

Is my data stored or sent anywhere?

No. All conversions happen entirely in your browser. Nothing is sent to any server.