Unit converters
Length ({{distance}}, m/ft), mass ({{mass}}), volume ({{volume}}), temperature (°C/°F). Conversions — units according to the header.
Length
Centimetres ↔ inches
Length conversion: cm ↔ in (1 in = 2.54 cm). Units from header when set.
Use calculator →Kilometres ↔ miles
Distance conversion: km ↔ mi (1 mi ≈ 1.609 km). Units from header when set.
Use calculator →Metres ↔ feet
Length conversion: m ↔ ft (1 m ≈ 3.281 ft). Units from header when set.
Use calculator →Metres ↔ yards
Length conversion between metres and yards (1 yd = 0.9144 m). Useful in sport, construction and anglophone countries.
Use calculator →Millimetres ↔ inches
Length conversion: mm to inches and inches to mm (1 in = 25.4 mm). Precise measurements in engineering and craft.
Use calculator →Mass
Volume and temperature
Celsius ↔ Fahrenheit
Temperature conversion: °C ↔ °F.
Use calculator →Kelvin ↔ Celsius
Absolute temperature conversion: kelvins to degrees Celsius and vice versa (K = °C + 273.15). Science and engineering.
Use calculator →Litres ↔ gallons
Volume conversion: L ↔ US gal (1 gal ≈ 3.785 L). Units from header when set.
Use calculator →Millilitres ↔ US fluid ounces
Volume conversion: ml to US fl oz and vice versa (1 US fl oz ≈ 29.57 ml). Drinks, recipes, labels.
Use calculator →Other
bar ↔ psi (pressure)
Pressure conversion: bar to psi and vice versa (1 bar ≈ 14.504 psi). Tyres, hydraulics, industry.
Use calculator →Hectares ↔ acres
Land area conversion: hectares to acres and vice versa (1 ha ≈ 2.471 ac). Agriculture, real estate, forestry.
Use calculator →km/h ↔ mph (speed)
Speed conversion: kilometres per hour to miles per hour and vice versa (1 km/h ≈ 0.6214 mph). Motoring, sport, navigation.
Use calculator →m² ↔ stopy kwadratowe
Przeliczenie powierzchni: metry kwadratowe na stopy kwadratowe i odwrotnie (1 m² ≈ 10,764 ft²). Nieruchomości, budownictwo.
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