Decimal to Square Feet Calculator
Convert Decimal or Satak land area to square feet and related West Bengal units.
How this calculator works
Square Feet = Decimal × 435.6.
One Decimal is one-hundredth of an Acre. Since 1 Acre = 43,560 sq ft, 1 Decimal = 435.6 sq ft.
Example
10 Decimal = 4,356 square feet.
Source and unit note
West Bengal Registration Directorate lists the commonly used relationships as 1 Bigha = 20 Katha = 14,400 sq ft, 1 Katha = 16 Chatak = 720 sq ft and 1 Chatak = 45 sq ft.
For Decimal, CalcSetu uses the exact acre-based definition: 1 Decimal = 1/100 Acre = 435.6 sq ft. Some official and local references show rounded approximations, so deed or survey records should be used for legal purposes.
West Bengal Registration Directorate
Last reviewed: 27 August 2026.
Frequently asked questions
How many square feet are in 1 Decimal?
CalcSetu uses the exact acre-based conversion 1 Decimal = 435.6 square feet.
Is Decimal the same as Satak?
They are commonly used as equivalent land units in West Bengal and other eastern Indian states.
Why do some sources show about 436 square feet?
Some records and references round the value. This calculator uses 435.6 square feet because 100 Decimal equals exactly 1 Acre of 43,560 square feet.