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The Acres to Square Feet Formula
One acre equals 43,560 square feet. This is the standard conversion used in land records, real estate, and site planning across India and most of the world.
A Note on Accuracy
Rates shown here are reference rates for planning purposes. Actual rates charged by your bank, credit card network, or money changer will typically include a small spread or transaction fee on top of the mid-market rate shown above.
For civil and interior projects, land area conversions matter at the very start of planning — when a client shares a plot size in acres but the architectural brief, FSI calculations, or layout plan needs the figure in square feet. Getting this number right early avoids rework in design and budgeting later.
- square feet = acres × 43,560
- acres = square feet ÷ 43,560
Common Acres to Square Feet Conversions
| Acres | Square Feet | Guntha |
|---|---|---|
| 0.25 acre | 10,890 sq.ft | 10 guntha |
| 0.5 acre | 21,780 sq.ft | 20 guntha |
| 1 acre | 43,560 sq.ft | 40 guntha |
| 2 acres | 87,120 sq.ft | 80 guntha |
| 5 acres | 2,17,800 sq.ft | 200 guntha |
| 10 acres | 4,35,600 sq.ft | 400 guntha |
Frequently Asked Questions
1 acre equals 43,560 square feet.
1 guntha equals 1,089 square feet, since 1 acre (43,560 sq.ft) is divided into 40 guntha.
Multiply acres by 4,840 to get square yards, since 1 acre equals 4,840 square yards.
Acres are common in formal land records and larger plots, while guntha is a traditional unit still used in parts of Maharashtra and Karnataka for agricultural and smaller land parcels. Knowing both helps when comparing plot sizes across documents from different sources.