Unit Converter

Convert between all major units for length, weight, temperature, volume, and more

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📏 Metric vs Imperial

The metric system (meters, kilograms, liters) is used worldwide and based on powers of 10. The imperial system (feet, pounds, gallons) is primarily used in the US. This tool converts seamlessly between both.

🌡️ Temperature Scales

Celsius is used globally, Fahrenheit in the US, and Kelvin in science. Water freezes at 0°C (32°F, 273.15K) and boils at 100°C (212°F, 373.15K) at sea level.

⚖️ Common Conversions

Quick memory aids: 1 inch = 2.54cm, 1 mile ≈ 1.6km, 1kg ≈ 2.2lb, 1L ≈ 0.26 gallons. Room temperature is about 20°C (68°F). These approximations help with mental math.