UnitSwap — FAQ
Universal Unit Converter — Frequently Asked Questions
Over 200 units across 15 categories: Length, Weight, Temperature, Volume, Area, Speed, Data Storage, Time, Pressure, Energy, Power, Frequency, Acceleration, Force, and Density.
Temperature uses custom formulas (not simple multiplication) to handle Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, Delisle, Newton, and Rømer scales accurately.
Yes! Click the Swap button (↔) to reverse the From and To units. The conversion updates automatically.
Yes. UnitSwap uses precise conversion factors. Temperature conversions use exact formulas. Results are shown with appropriate decimal precision.
Below the converter, reference pairs show common conversions for the selected category (e.g., "1 Mile = 1.609 Kilometers"). These help with quick reference.
Yes. Particularly important for temperature (e.g., -40°C = -40°F). All categories accept negative input.
Yes. The converter handles large numbers (e.g., light years, terabytes) using JavaScript's number precision.
All calculations happen in your browser. No data is sent anywhere.