Popular unit conversions
The conversions people look up most often. Every card shows the exact factor — click to open the full converter with formula and examples.
Top 16 most-used
Length
km to miles
1 km = 0.6214 mi
Length
miles to km
1 mi = 1.60934 km
Length
cm to inches
1 cm = 0.3937 in
Length
feet to meters
1 ft = 0.3048 m
Weight
kg to pounds
1 kg = 2.20462 lb
Weight
pounds to kg
1 lb = 0.4536 kg
Weight
grams to ounces
1 g = 0.03527 oz
Temperature
Celsius to Fahrenheit
1 °C = 33.8 °F
Temperature
Fahrenheit to Celsius
1 °F = -17.2222 °C
Volume
litres to US gallons
1 L = 0.2642 gal (US)
Volume
cups to ml
1 cup = 240 ml
Pressure
bar to psi
1 bar = 14.5038 psi
Speed
km/h to mph
1 km/h = 0.6214 mph
Data
GB to MB
1 GB = 1,000 MB
Area
sq m to sq ft
1 m² = 10.7639 ft²
Energy
kJ to kcal
1 kJ = 0.239 kcal
Popular by category
Liter to US Gallon1 L = 0.2642 gal (US)US Gallon to Liter1 gal (US) = 3.78541 LCup to Milliliter1 cup = 240 mlMilliliter to Cup1 ml = 0.004167 cupTablespoon to Milliliter1 tbsp = 14.8 mlTeaspoon to Milliliter1 tsp = 4.92892 mlFluid Ounce to Milliliter1 fl oz = 29.5735 mlLiter to UK Gallon1 L = 0.22 gal (UK)
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