Unit conversion
Basic Converters
The everyday toolkit: convert length, weight, volume, temperature, area, speed, time and data storage instantly. Each converter auto-calculates as you type and remembers your last-used units.
Frequently asked questions
Are these converters free to use?
Yes — every converter on QuickConverts is completely free, with no signup, no account and no usage limits.
How accurate are the conversions?
Conversions use internationally defined exact factors where they exist (for example 1 inch = 2.54 cm exactly) and NIST-standard values elsewhere.
Do the converters work on mobile?
Yes — every tool is designed for phones first, with large touch targets and instant results as you type.