Convert measurement units through shared base definitions and explicit conventions.
Convert angular measurements without confusing a full turn with a half turn.
Open calculator1 square meter is approximately 10.76391 square feet.
Open calculator100 Mbps = 12.5 MB/s at full theoretical throughput.
Open calculator1 kWh = 3,600,000 J; 1 food Calorie = 1 kcal = 4,184 J.
Open calculatorConvert force quantities while keeping force distinct from mass.
Open calculatorConvert cycles-per-second measurements between common frequency scales.
Open calculatorCompare fuel-consumption figures across reciprocal distance and volume conventions.
Open calculator10 km is approximately 6.213712 miles.
Open calculator1 kW = 1,000 W; 1 mechanical hp is approximately 745.699872 W.
Open calculator1 standard atmosphere = 101,325 Pa = 760 Torr.
Open calculator100 km/h is approximately 62.137119 mph.
Open calculator0 °C = 32 °F; 100 °C = 373.15 K; −40 °C = −40 °F.
Open calculator1 hour = 60 minutes = 3,600 seconds.
Open calculator1 US liquid gallon = 3.785411784 L; 1 Imperial gallon = 4.54609 L.
Open calculator100 kg is approximately 220.462262 lb.
Open calculatorChoose the source and target units carefully. US and Imperial liquid volumes differ, temperature scales have offsets, and mass-to-volume conversion requires density. Converter pages contain examples and reference amounts.