Free Unit Converter — Length, Weight, Temperature & More
Convert between hundreds of units across length, weight, temperature, area, and digital storage — accurately and instantly, right in your browser.
How to Use the Unit Converter
Pick a category (length, weight, temperature, area, or digital storage), enter a value, and choose the from/to units. The converted result updates as you type.
It's perfect for cooking, travel, engineering, schoolwork, and everyday conversions.
- Choose a unit category
- Enter the value and pick the from/to units
- Read the converted result instantly
Which Units Are Supported?
Length (mm, cm, m, km, inches, feet, miles), weight (grams, kg, pounds, ounces), temperature (°C, °F, K), area (m², ft², acres, hectares), and digital storage (KB, MB, GB, TB).
Frequently Asked Questions
Is the unit converter accurate?
Yes — conversions use precise, standard conversion factors for every supported unit.
Can I convert Celsius to Fahrenheit?
Yes, along with Kelvin. Temperature conversions use the exact formulas.
Does it work offline?
Yes. Once the page loads, all conversions happen locally, so it works without an internet connection.