Unit Converter
Convert length, mass, volume, area and speed across systems instantly.
How to use this tool
- Pick a category.
- Choose the source and target units.
- Type a value — the result updates instantly.
- Switch the To/From direction with one tap.
How it works
Each unit is defined by a factor to a base unit (e.g. meters, kilograms, liters, meters squared, m/s); conversion = value x factorToBase / factorToTarget.
Tips
- Use the swap button to flip direction easily.
- For speed, remember 60 mph ≈ 96.6 km/h — the converter is precise.
Limitations
Currencies intentionally excluded (they need live rates — see the currency converter).
Frequently asked questions
How many feet in a meter?
3.2808 feet in 1 meter. The converter handles this and more precisely.
Does it cover cooking volume?
Yes — liters, milliliters, gallons, cups, fluid ounces and teaspoons are included.
Can I change categories?
Yes — length, mass/weight, volume, area and speed are all in the category selector.
Is it accurate off-line?
Yes — all conversions are fixed mathematical constants, so it works fully offline.