Free Unit Converter – All Units in One Place
Convert between hundreds of units instantly with precise mathematical formulas.
Supported Categories
- 📏 Length: km, miles, meters, feet, inches, yards
- ⚖️ Weight: kg, lbs, grams, ounces, tons
- 🌡️ Temperature: Celsius, Fahrenheit, Kelvin
- ⚡ Speed: km/h, mph, m/s, knots
- 📐 Area: m², ft², acres, hectares
- 🧪 Volume: liters, gallons, ml, cups
Frequently Asked Questions
How do I convert km to miles?
Select Length, enter km value, choose miles. 1 km = 0.621371 miles.
How do I convert Celsius to Fahrenheit?
Select Temperature, enter Celsius. Formula: (C × 9/5) + 32 = F.
Is this unit converter free?
Yes, completely free with no signup required.
Does it support metric and imperial?
Yes, supports both systems fully.
How accurate are the conversions?
All conversions use precise mathematical formulas for maximum accuracy.
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