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Our converter covers everyday units like temperature, length, weight, and volume, as well as specialized engineering units such as torque, viscosity, thermal conductivity, magnetic flux density, and radiation dose. Every conversion page includes the mathematical formula, a reference table with common values, frequently asked questions, and links to related conversions.
UnitSwapper provides fast, free, and accurate unit conversions for students, engineers, scientists, and everyday users. Each conversion page includes the exact mathematical formula, a comprehensive reference table with 15-20 common values, worked examples, and answers to frequently asked questions. Our converter supports over 75 measurement categories and thousands of unit pairs — from simple metric-to-imperial conversions to specialized engineering, thermal, electrical, and radiation units. No ads popups, no sign-up required — just instant, reliable results.
Celsius to Fahrenheit: °F = (°C × 9/5) + 32. For example, 25°C = 77°F.
Kilogram to Pound: lbs = kg × 2.20462. For example, 10 kg = 22.05 lbs.
Kilometer to Mile: miles = km × 0.621371. For example, 100 km = 62.14 miles.
Meter to Foot: ft = m × 3.28084. For example, 5 m = 16.40 ft.
Liter to Gallon: gal = L × 0.264172. For example, 20 L = 5.28 gal.