Unit Converter
Convert length, weight, temperature, area, volume, speed, time, and data storage instantly
Decimals, commas, and scientific notation are accepted.
Result
Frequently asked questions
Common questions about the Unit Converter.
How does the Unit Converter work?
Choose a category, enter a value, and pick From and To units. ToolsArk converts instantly in your browser using exact SI and international factors. Results update as you type.
Does my data leave my device?
No. Conversion runs entirely in your browser. ToolsArk does not upload values or call an external conversion API.
Which units are supported?
Length (mm, cm, m, km, inch, foot, yard, mile), weight/mass (mg, g, kg, tonne, ounce, pound), temperature (Celsius, Fahrenheit, Kelvin), area (m², km², ft², acre, hectare), volume (mL, L, m³, US gallon, UK gallon), speed (km/h, mph, m/s, knot), time (second through year), and data storage (bit through TB).
Are KB, MB, GB, and TB binary or decimal?
Decimal SI prefixes: 1 KB = 1,000 bytes, 1 MB = 1,000 KB, and so on. This matches disk-marketing units, not the 1,024-based kibibyte (KiB) family.
How are months and years defined?
A year is the mean Gregorian year of 365.2425 days. A month is one twelfth of that year. Calendar months and leap years vary, so use this for duration math, not civil-date arithmetic.
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