Free Unit Converter Online — Length, Weight, Temperature, Area, Volume

Common Unit Conversions

Unit conversion is essential in everyday life — from cooking recipes to travel, construction, science, and technology. Our unit converter covers 7 categories with 40+ units, handling everything from micrometers to nautical miles.

How to Use This Tool

Select Category

Choose from Length, Weight, Temperature, Area, Volume, Speed, or Digital.

Select Units

Choose the 'from' unit (left) and 'to' unit (right) from the dropdowns.

Enter Value

Type the value to convert in the left input field.

Read Result

The converted value appears instantly in the right field.

Swap Units

Click the ⇄ button to reverse the conversion direction.

Frequently Asked Questions

1 meter = 3.28084 feet. Alternatively, multiply meters by 3.281 for a quick approximation. Our unit converter handles this precisely.

°F = (°C × 9/5) + 32. Example: 37°C (body temp) = (37 × 9/5) + 32 = 66.6 + 32 = 98.6°F. To reverse: °C = (°F - 32) × 5/9.

In computing, 1 Megabyte = 1,024 Kilobytes (using binary definition) or 1,000 Kilobytes (SI definition). Most operating systems use the binary definition. Our converter uses the binary (1024-based) standard.

1 kilogram = 2.20462 pounds. Conversely, 1 pound = 0.453592 kilograms. Quick estimate: multiply kg by 2.2 to get approximate pounds.

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