Convert Guntha to Acre
Convert gunthas to acres instantly. 1 guntha = 0.0249998985 acre — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Acre to Guntha converter for the reverse conversion.
Units explained
Guntha
A guntha is a unit of land area used in Maharashtra, Karnataka, and parts of Andhra Pradesh, equal to approximately 101.171 m² (1/40 acre or 121 square yards).
Defined as 1/40 of an acre during British colonial administration in the Bombay Presidency and adjacent regions.
Gunthas are the standard unit for residential plots in Maharashtra (Pune, Mumbai suburbs), parts of Karnataka, and Telangana. 1 acre = 40 gunthas; the conversion is widely memorized in regional real estate.
Standardized in colonial Bombay Presidency.
Acre
An acre is an imperial unit of area equal to exactly 4046.8564224 m². It is the most widely used non-metric unit for land area, particularly in the US, UK, and India.
Originally defined in medieval England as the area one yoke of oxen could plow in a day, approximately 40 perches by 4 perches. Standardized via the 1959 International Yard and Pound Agreement.
Acres are the standard land measurement unit in the US (real estate, agriculture), the UK (rural property), and widely used in India (alongside hectares and traditional regional units). 1 acre = 4840 sq yd = 43,560 sq ft = 0.4047 hectare.
Medieval English farming origin; modern exact value standardized in 1959.
Guntha to Acre conversion formula
The relationship between gunthas and acres:
To convert gunthas to acres, multiply the value in gunthas by 0.0249998985. To reverse, multiply acres by 40.0001623232.
How to use this converter
Type a value into the calculator. The result in acres updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Acre to Guntha converter for the reverse direction.
Step-by-step: convert gunthas to acres
- Write down the value in gunthas (guntha).
- Multiply that value by the factor 0.0249998985.
- The product is the equivalent value in acres (ac).
- To reverse, multiply the acre value by 40.0001623232.
Worked examples
Example 1 — Convert 1 guntha to ac:
1 × 0.0249998985 = 0.0249998985 ac
Example 2 — Convert 100 guntha to ac:
100 × 0.0249998985 = 2.4999898548 ac
Guntha to Acre conversion table
Standard reference values for converting gunthas to acres:
| Guntha [guntha] | Acre [ac] |
|---|---|
| 0.01 | 0.000249999 |
| 0.1 | 0.0024999899 |
| 1 | 0.0249998985 |
| 2 | 0.0499997971 |
| 3 | 0.0749996956 |
| 4 | 0.0999995942 |
| 5 | 0.1249994927 |
| 10 | 0.2499989855 |
| 20 | 0.499997971 |
| 30 | 0.7499969565 |
| 40 | 0.9999959419 |
| 50 | 1.2499949274 |
| 100 | 2.4999898548 |
| 500 | 12.4999492742 |
| 1000 | 24.9998985484 |
Frequently asked questions
How many acres is 1 guntha?
How do I convert gunthas to acres?
How do I convert acres back to gunthas?
How many acres is 100 gunthas?
Popular area unit conversions
Convert Guntha to other area units
Show all Guntha conversions
Metric / SI (5 units)
Imperial / US Customary (3 units)
Indian Subcontinent (15 units)
Sources & references
Conversion factor (1 guntha = 0.0249998985 ac) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.