Choose a category, type a value and pick the units. Results update instantly with the conversion formula and a table of the value in every other unit of that category. Factors use exact international definitions (for example 1 inch = 2.54 cm and 1 lb = 0.45359237 kg).
How to use the unit converter
- Choose a category such as Length or Area.
- Type the value and select the “from” and “to” units. Use ⇄ to swap them.
- Read the result and the full table of equivalents below.
Popular conversions
CM to Inches · Inches to CM · MM to Inches · Inches to MM · CM to Feet · Feet to CM · Feet to Meters · Meters to Feet · KM to Miles · Miles to KM · KG to LBS · LBS to KG · Tola to Grams · Celsius to Fahrenheit · Fahrenheit to Celsius · Square Feet to Square Meters · Square Meters to Square Feet · Marla to Square Feet · Square Feet to Marla
All converters
Length converter · Weight converter · Temperature converter · Area converter · Volume converter · Speed converter · Time converter · Data storage converter · Pressure converter · Energy converter · Power converter · Fuel economy converter · Angle converter
Accuracy
Conversions use exact definitions where they exist (inch, foot, pound, gallon, calorie) and recognised standard values elsewhere. Results show up to 10 significant figures. Land units such as the marla vary by region; choose the definition used in your area.
Frequently asked questions
How many cm are in an inch?
Exactly 2.54 cm.
How many square feet are in a marla?
Usually 225 sq ft in Lahore housing schemes (LDA, DHA) and 272.25 sq ft in revenue (government) records. Choose either in the area converter.
How many grams are in a tola?
11.6638 grams.
Updated October 2026 · Built and tested by Sharjeel Tahir · How our tools are tested