Convert Acre to Kanal
Convert acres to kanals instantly. 1 acre = 8.000000835 kanal — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Kanal to Acre converter for the reverse conversion.
Units explained
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.
Kanal
A kanal is a unit of land area used in Punjab, Haryana, and Pakistani Punjab, equal to approximately 505.857 m² (1/8 of an acre or 605 square yards).
Defined as 1/8 of an acre during British colonial administration of Punjab. 8 kanals make 1 acre; 20 marlas make 1 kanal.
Kanals are the primary unit for residential property in Punjab (India and Pakistan), Haryana, Jammu and Kashmir, and Himachal Pradesh. Property listings typically use kanal and marla units alongside square feet.
Standardized in colonial Punjab.
Acre to Kanal conversion formula
The relationship between acres and kanals:
To convert acres to kanals, multiply the value in acres by 8.000000835. To reverse, multiply kanals by 0.124999987.
How to use this converter
Type a value into the calculator. The result in kanals updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Kanal to Acre converter for the reverse direction.
Step-by-step: convert acres to kanals
- Write down the value in acres (ac).
- Multiply that value by the factor 8.000000835.
- The product is the equivalent value in kanals (kanal).
- To reverse, multiply the kanal value by 0.124999987.
Worked examples
Example 1 — Convert 1 ac to kanal:
1 × 8.000000835 = 8.000000835 kanal
Example 2 — Convert 100 ac to kanal:
100 × 8.000000835 = 800.0000835019 kanal
Real-world example — Endurance race distances
A 50-acre cycling or running race converts to a recognizable distance in kanals. Endurance athletes coming from a different measurement system use this conversion to compare training plans across regions.
50 ac × 8.000000835 = 400.0000417509 kanal
Real-world example — Maritime exclusion zone
A 200-acre exclusion zone (a common maritime boundary) converts to a different value in kanals that's useful when describing the same zone in everyday land-distance units.
200 ac × 8.000000835 = 1600.0001670037 kanal
Real-world example — Coastal cruise distances
A 10-acre coastal sailing route converts to a different value in kanals — useful for cruise operators who switch between maritime, aviation, and road-distance units depending on the leg of the trip.
10 ac × 8.000000835 = 80.0000083502 kanal
Acre to Kanal conversion table
Standard reference values for converting acres to kanals:
| Acre [ac] | Kanal [kanal] |
|---|---|
| 0.01 | 0.0800000084 |
| 0.1 | 0.8000000835 |
| 1 | 8.000000835 |
| 2 | 16.00000167 |
| 3 | 24.0000025051 |
| 4 | 32.0000033401 |
| 5 | 40.0000041751 |
| 10 | 80.0000083502 |
| 20 | 160.0000167004 |
| 30 | 240.0000250506 |
| 40 | 320.0000334007 |
| 50 | 400.0000417509 |
| 100 | 800.0000835019 |
| 500 | 4000.0004175093 |
| 1000 | 8000.0008350186 |
Frequently asked questions
How many kanals is 1 acre?
How do I convert acres to kanals?
How do I convert kanals back to acres?
How many kanals is 100 acres?
Popular area unit conversions
Convert Acre to other area units
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Metric / SI (16 units)
Imperial / US Customary (14 units)
US Survey (5 units)
Indian Subcontinent (16 units)
Other Regional (10 units)
Scientific / Physics (5 units)
Historical / Pre-metric European (6 units)
Sources & references
Conversion factor (1 ac = 8.000000835 kanal) 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.