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About This Calculator
Convert between units across eight categories — length, weight, temperature, volume, area, time, speed, and digital storage. Pick a category, enter a value, and choose the units to convert from and to.
Notes
- Most units convert through a common base unit (e.g., meters for length).
- Temperature uses the exact Celsius ↔ Fahrenheit ↔ Kelvin formulas.
- Digital storage uses binary multiples (1 KB = 1024 B).
Switching category resets the from/to units to the first two options in that category so conversions always stay valid.
Frequently Asked Questions
How do I convert temperatures?
Temperature uses dedicated formulas rather than a simple factor: °F = (°C × 9/5) + 32, and K = °C + 273.15. Pick Temperature from the category list and the converter handles the math automatically.
Why does 1 KB equal 1024 bytes here?
Digital storage traditionally uses binary multiples, so 1 KB = 1024 bytes, 1 MB = 1024 KB, and so on. Some contexts (like disk marketing) use decimal multiples where 1 KB = 1000 bytes; this converter uses the binary standard.
Can I convert between any two units?
Yes — as long as both units belong to the same category. Switching categories automatically picks valid units for that category.