Free Unit Conversion Calculator 2026 to convert length, weight, temperature, volume, area, speed, and more with fast and accurate results.
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You can convert length (meters, feet, inches), weight (kg, pounds), temperature (Celsius, Fahrenheit), volume (liters, gallons), and many more unit types.
All conversions use standard conversion factors and provide results accurate to multiple decimal places.
Yes, the calculator supports conversions between metric, imperial, and US customary units.
The calculator can handle very large and very small numbers, making it suitable for both everyday and scientific use.