Area Converter
Convert any area between metric and imperial units — square millimetres to square miles, hectares and acres — and the common South-Asian land units decimal (shatak), katha and bigha. Type a value and the result updates instantly, with a table showing the same area in every unit. Local land units use the standard Bangladesh values, with a note on regional variation.
How to use the Area Converter
- Enter the area value.
- Choose the unit you are converting from.
- Choose the unit you want; use the swap button to reverse.
- Read the result or the full table of every unit, and copy it.
Features
- 13 units: m², km², cm², mm², hectare, acre, ft², in², yd², mi², decimal, katha, bigha
- Standard values: 1 decimal = 435.6 ft², 1 katha = 720 ft², 1 bigha = 14,400 ft²
- Live conversion with a complete comparison table
- Exact conversion factors based on the international foot
Benefits
- Read land deeds and property listings that mix local and metric units
- Compare apartment sizes quoted in square feet and square metres
- Check plot sizes for planning and construction estimates
Frequently asked questions
How many square feet are in one katha?
The standard Bangladesh katha is 720 square feet (about 66.89 m²). Twenty katha make one bigha of 14,400 square feet.
What is a decimal (shatak)?
A decimal or shatak is one hundredth of an acre: 435.6 square feet, or about 40.47 m². One katha is about 1.65 decimals.
Are katha and bigha the same everywhere?
No. The values used here are the standard Bangladesh measures, but older or regional definitions differ — in parts of India a bigha can be a very different size. The kani also varies by region and is not included. Always check the unit used by your local land office.
How many square feet are in a square metre?
One square metre is about 10.7639 square feet, because one foot is exactly 0.3048 m.
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