Unit Converter
Convert length, weight, area, volume, speed, data storage and time units in one place. Pick a category, type a value and the two unit selects do the rest — all locally in your browser.
How to use the Unit Converter
Choose a category such as Length, Weight or Data storage.
Pick the from and to units, then type a value — the result updates live.
Use Swap units to flip the direction, or Copy result to save the conversion line.
Frequently asked questions
Which unit categories are supported?
Length, weight, area, volume, speed, data storage and time. Each category converts through a single base unit, so every unit in a category works with every other.
How accurate are the conversion factors?
They use exact international definitions — for example 1 mile = 1609.344 metres, 1 pound = 0.45359237 kg, 1 US gallon = 3.785411784 litres and 1 GiB = 1073741824 bytes.
Is my input sent to a server?
No. All conversions run locally in your browser; nothing you type is uploaded or stored.