Convert Township to Acre
Convert townships to acres instantly. 1 township = 23039.9999999763 acre — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Acre to Township converter for the reverse conversion.
Units explained
Township
A township is a unit of area used in the US Public Land Survey System (PLSS), equal to 36 square miles (approximately 93.24 km²).
Defined by the Land Ordinance of 1785 as a 6-mile by 6-mile square, divided into 36 sections of 1 square mile each.
Townships are the largest standard unit in the PLSS and appear in US public land records, county boundaries, and historical land grants throughout the central and western US.
Defined by the US Land Ordinance of 1785.
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.
Township to Acre conversion formula
The relationship between townships and acres:
To convert townships to acres, multiply the value in townships by 23039.9999999763. To reverse, multiply acres by 4.340278e-5.
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 Township converter for the reverse direction.
Step-by-step: convert townships to acres
- Write down the value in townships (twp).
- Multiply that value by the factor 23039.9999999763.
- The product is the equivalent value in acres (ac).
- To reverse, multiply the acre value by 4.340278e-5.
Worked examples
Example 1 — Convert 1 twp to ac:
1 × 23039.9999999763 = 23039.9999999763 ac
Example 2 — Convert 100 twp to ac:
100 × 23039.9999999763 = 2303999.9999976275 ac
Township to Acre conversion table
Standard reference values for converting townships to acres:
| Township [twp] | Acre [ac] |
|---|---|
| 0.01 | 230.3999999998 |
| 0.1 | 2303.9999999976 |
| 1 | 23039.9999999763 |
| 2 | 46079.9999999526 |
| 3 | 69119.9999999288 |
| 4 | 92159.9999999051 |
| 5 | 115199.9999998814 |
| 10 | 230399.9999997628 |
| 20 | 460799.9999995255 |
| 30 | 691199.9999992884 |
| 40 | 921599.9999990511 |
| 50 | 1151999.9999988137 |
| 100 | 2303999.9999976275 |
| 500 | 1.152e+7 |
| 1000 | 2.304e+7 |
Frequently asked questions
How many acres is 1 township?
How do I convert townships to acres?
How do I convert acres back to townships?
How many acres is 100 townships?
Popular area unit conversions
Convert Township to other area units
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Metric / SI (5 units)
Imperial / US Customary (3 units)
Sources & references
Conversion factor (1 twp = 23039.9999999763 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 Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.