Acre to Square Foot Converter
1 Acre = 43,560 Square Foot
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Converting Acre to Square Foot is one of the most common land-area calculations in India — and one of the easiest to get wrong if you ignore regional standards. While square foot and square metre are uniform nationwide, traditional units like Bigha and Gaj vary by state. This page uses BhumiMeter's verified conversion tables (cross-checked against State Land Revenue Acts and widely accepted local standards) so you get 1 Acre = 43,560 Square Foot for the selected standard — with clear notes wherever values are disputed.
Understanding Acre and Square Foot
Acre is a uniform nationwide unit with a fixed size everywhere in India. Square Foot is the de facto market standard used by builders, brokers, and RERA carpet-area disclosures across India. BhumiMeter never guesses these numbers — every factor on this page is read from our curated data tables and computed through a square-foot base unit, the same method used internally by revenue surveyors when cross-checking Khasra maps.
Before you buy or sell — quick checklist
1. Ask the seller which Acre standard they mean — "Bigha" alone is not enough in most of North India. 2. Compare the quoted area with the measurement on your online Bhulekh / Apna Khata / Banglarbhumi extract (usually stored in square metres). 3. For RERA-registered flats, carpet area is disclosed in square feet by convention even though the legal unit is square metre — convert both ways before comparing builder quotes. 4. If two documents show different areas, the revenue record prevails over a broker's oral conversion.
Quick Reference Table
Common Acre values converted to Square Foot .
| Acre | Square Foot |
|---|---|
| 1 | 43,560 |
| 2 | 87,120 |
| 5 | 2,17,800 |
| 10 | 4,35,600 |
| 50 | 21,78,000 |
| 100 | 43,56,000 |
Conversion Formula
Square Foot = Acre × (43,560 sq ft ÷ 1 sq ft per Square Foot). Equivalently: multiply by 43,560. All factors come from BhumiMeter's data tables — square foot is the internal base unit.
Worked Example
Example: You have a plot measuring 5 Acre. Multiply by the conversion factor: 5 × 43,560 = 2,17,800 Square Foot. Reverse check: 2,17,800 Square Foot ÷ 43,560 = 5 Acre.
Regional context
Both Acre and Square Foot are fixed nationwide — the conversion factor does not change from state to state. Square foot remains the de facto market unit across India, while square metre is the legal metrology standard under the Legal Metrology Act, 2009. You can use the same formula anywhere in the country.
Frequently Asked Questions
How many Square Foot are in 1 Acre?
1 Acre = 43,560 Square Foot. This is computed from BhumiMeter's verified tables — not scraped from third-party blogs. For property due diligence, match this figure against your sale agreement and the area recorded on the government portal. If the numbers diverge by more than a few percent, pause and ask which local variant (Pucca/Kachha Bigha, 5-biswa vs 20-biswa, etc.) the other party is using before proceeding.
Is Acre the same in every state of India?
Yes — Acre has a fixed, uniform definition across India. The conversion to Square Foot does not depend on your state.
Can I use this conversion for legal land registration?
Use these figures as a starting point only. Government land records store area in square metres/hectares; local brokers may quote Bigha or Gaj. Always cross-check with your sale deed, Bhulekh/Khasra extract, and the tehsildar office before paying token money or signing.
What is the formula to convert Acre to Square Foot?
Square Foot = Acre × (43,560 sq ft ÷ 1 sq ft per Square Foot). Equivalently: multiply by 43,560. All factors come from BhumiMeter's data tables — square foot is the internal base unit.
Why does BhumiMeter show a state selector?
Even when converting fixed units, many users arrive from state-specific searches. For Bigha, Katha, and Biswa the state selector is essential. For uniform units it ensures related regional conversions in the results panel match your locality.