Convert Square Perch to Square Foot
Convert square perches to square feet instantly. 1 square perch = 272.25 square foot — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Square Foot to Square Perch converter for the reverse conversion.
Units explained
Square Perch
A square perch is identical to a square rod, equal to approximately 25.293 m². 'Perch' is the older English regional name for the same unit.
Identical in value to square rod and square pole; differs only in regional naming preference. 'Perch' is more commonly used in British and Irish historical contexts.
Square perches survive in some historical British property records, particularly in Ireland where the unit had legal status until the metric transition.
Standardized via the 1959 International Yard and Pound Agreement.
Square Foot
A square foot is an imperial unit of area equal to exactly 0.09290304 m². It is the dominant unit for real estate area measurement in the United States and is widely used in India for residential property listings.
Derived by squaring the foot. The foot was standardized to exactly 0.3048 m via the 1959 International Yard and Pound Agreement.
Square feet are the standard unit for US real estate floor area, HVAC capacity ratings (BTU per ft²), commercial leasing, and construction. In India, square feet is the dominant unit for residential property advertisements alongside traditional regional units.
Foot dates to ancient civilizations; modern exact value standardized in 1959.
Square Perch to Square Foot conversion formula
The relationship between square perches and square feet:
To convert square perches to square feet, multiply the value in square perches by 272.25. To reverse, multiply square feet by 0.0036730946.
How to use this converter
Type a value into the calculator. The result in square feet updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Square Foot to Square Perch converter for the reverse direction.
Step-by-step: convert square perches to square feet
- Write down the value in square perches (perch²).
- Multiply that value by the factor 272.25.
- The product is the equivalent value in square feet (ft²).
- To reverse, multiply the square foot value by 0.0036730946.
Worked examples
Example 1 — Convert 1 perch² to ft²:
1 × 272.25 = 272.25 ft²
Example 2 — Convert 100 perch² to ft²:
100 × 272.25 = 27225 ft²
Square Perch to Square Foot conversion table
Standard reference values for converting square perches to square feet:
| Square Perch [perch²] | Square Foot [ft²] |
|---|---|
| 0.01 | 2.7225 |
| 0.1 | 27.225 |
| 1 | 272.25 |
| 2 | 544.5 |
| 3 | 816.75 |
| 4 | 1089 |
| 5 | 1361.25 |
| 10 | 2722.5 |
| 20 | 5445 |
| 30 | 8167.5 |
| 40 | 10890 |
| 50 | 13612.5 |
| 100 | 27225 |
| 500 | 136125 |
| 1000 | 272250 |
Frequently asked questions
How many square feet is 1 square perch?
How do I convert square perches to square feet?
How do I convert square feet back to square perches?
How many square feet is 100 square perches?
Popular area unit conversions
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Metric / SI (5 units)
Imperial / US Customary (14 units)
Sources & references
Conversion factor (1 perch² = 272.25 ft²) 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.