Multi-Category Unit Converter
Convert common units for length, weight/mass, area, volume, and temperature instantly with client-side mathematical accuracy.
Convert common units for length, weight/mass, area, volume, and temperature instantly with client-side mathematical accuracy.
Select a category, enter a value, and pick units to convert instantly.
Learn how accurate unit conversion simplifies freight estimation, parcel dimensions, international commerce, and daily calculations.
Convert seamlessly between metric (millimetres, centimetres, metres, kilometres) and imperial (inches, feet, yards, miles) distance metrics.
Convert parcel weights, pallet payload capacities, and gross vehicle mass across grams, kilograms, ounces, pounds, stones, and tonnes.
Convert cold-chain shipping requirements accurately between Celsius, Fahrenheit, and Kelvin scales for temperature-sensitive cargo.
Converting units requires multiplying or dividing by standard mathematical conversion factors. Our client-side calculator applies standard international conversion factors automatically for maximum precision.
1 Kilometre (km) = 0.621371 Miles (mi)
1 Metre (m) = 3.28084 Feet (ft)
1 Kilogram (kg) = 2.20462 Pounds (lbs)
1 Tonne (t) = 1,000 Kilograms (kg)
1 Litre (L) = 0.219969 UK Gallons
1 Cubic Metre (m³) = 1,000 Litres (L)
20 °Celsius = 68 °Fahrenheit
0 °Celsius = 273.15 Kelvin
Find answers to common questions about unit conversion formulas and measurement accuracy.
Select Length as the Category, enter your value in kilometres, select Kilometres in the From dropdown and Miles in the To dropdown. 1 kilometre equals approximately 0.621371 miles.
Select Weight / Mass as the Category, set From to Kilograms (kg) and To to Pounds (lb). 1 kilogram equals approximately 2.20462 pounds.
Select Temperature as the Category, choose Celsius (°C) in From and Fahrenheit (°F) in To. The calculator applies the formula (°C × 9/5) + 32 instantly.
Select Volume as the Category, set From to Litres (L) and choose either US Gallons or UK Gallons in To. 1 litre equals approx 0.219969 UK gallons or 0.264172 US gallons.
Our Unit Converter converts 5 main categories: Length (mm, cm, m, km, in, ft, yd, mi), Weight/Mass (mg, g, kg, oz, lb, st, tonnes), Area (sq m, sq km, sq ft, sq yd, acres, hectares), Volume (ml, L, US gal, UK gal, cu m, cu ft), and Temperature (Celsius, Fahrenheit, Kelvin).