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Unit Converter

Convert length, weight, temperature, speed, volume, area, and time units instantly. Real-world scale references included.

About Unit Converter

Convert length, weight, temperature, speed, volume, area, and time units instantly with real-world references.

The Unit Converter is a multi-category conversion tool supporting length, weight, temperature, speed, volume, area, and time units. Enter a value in any unit and see instant conversions to all other units in that category. Includes real-world references to help visualize scale differences - essential for students, engineers, cooks, and professionals worldwide.

How to use Unit Converter

Select a category tab (Length, Weight, Temperature, etc.). Enter a value in any unit using the input field. All other units in that category update instantly. Use the swap button to quickly reverse conversions. Real-world references help contextualize the values.

Unit Converter example

Convert 5 miles: equals 8.047 km, 8,046.72 meters, 26,400 feet, 8,800 yards. Real-world reference: approximately the distance from Central Park south to north twice.

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Helpful questions

How do you convert Celsius to Fahrenheit?

Multiply by 9/5 (or 1.8) and add 32. So 20 degrees C = (20 multiplied by 1.8) + 32 = 68 degrees F. Our converter handles this automatically for all temperature units including Kelvin.

What's the difference between metric and imperial?

Metric (SI) uses meters, kilograms, and liters with base-10 scaling. Imperial uses feet, pounds, and gallons with less systematic conversions. Most of the world uses metric; the US primarily uses imperial.

How accurate are the conversions?

The converter uses standard conversion factors and rounded output for everyday use. Review critical engineering, scientific, legal, or safety-sensitive work against authoritative sources.

Can I convert between categories?

Each category converts within its own unit family. You can't directly convert kilograms to meters - they measure different properties. Select the appropriate category tab for your conversion needs.