Physics Unit Converter
SI, CGS and imperial units across 14 physics categories.
Result
How conversions work
All units are converted via their SI representation. So 5 km ⇒ 5000 m ⇒ 5 km or 3.281 ft or 0.003107 mi. Temperature is handled separately via the dedicated temperature converter because it involves an offset, not just a factor.
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FAQs
Which categories are supported?
Length, mass, time, speed, force, energy, power, pressure, charge, current, voltage, resistance, frequency and volume.
How are values converted internally?
Every unit maps to its SI equivalent via a fixed factor.