Unit Converter
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Convert length, weight, temperature, volume, and data units instantly. Free online unit converter with 100+ units across 5 categories.
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What is a unit converter?
A unit converter translates measurements between different units — inches to centimeters, pounds to kilograms, Fahrenheit to Celsius, gallons to liters, and gigabytes to megabytes.
These conversions show up in cooking, travel, construction, science class, shipping, and everyday life. This tool covers the five most-used categories with live results as you type.
Common conversions people need
cm ↔ inches (clothing and furniture), kg ↔ lbs (fitness), °C ↔ °F (weather and cooking), liters ↔ gallons (fuel), MB ↔ GB (storage and data plans). All are one click away.
How to Use
- Pick a category (length, weight, temperature, etc.)
- Enter your value
- Choose the from-unit and to-unit
- Read the converted result instantly
Features
📐 5 CategoriesLength, weight, temp, volume, data.
⚡ Live ResultsUpdates as you type.
🌍 Everyday UnitsMetric + imperial for travel and cooking.
🆓 FreeUnlimited conversions.
Frequently Asked Questions
How many cm is an inch?
1 inch = 2.54 cm. Select Length, enter 1, and switch from in to cm.
How do I convert Fahrenheit to Celsius?
(°F − 32) × 5/9 = °C. The Temperature category does it instantly.
Is the unit converter free?
Yes — free, unlimited, and runs entirely in your browser.