FAQs & tips
Why do recipes disagree on gallons?
Because US and imperial gallons differ. Always check which gallon the source means before converting a large volume, especially for fuel or brewing.
How many decimal places should I use?
For everyday use, two to four decimals are plenty. For luggage weight or road distance, whole numbers are usually enough. This converter shows four decimals so you can round to what your task needs.
Is 1 kg really 2.2 pounds?
Approximately, yes. The exact factor used here is 2.20462. Rounding to 2.2 is fine for luggage or cooking, but not for a laboratory or freight calculation.
Why does Australia use both systems?
Australia is metric for official measurement, but imperial units survive in imported products, recipes, tyre sizes, screen sizes, and conversations with visitors. A converter bridges that everyday mix without changing any official standard.