Convert Square Inch to Marla
Convert square inches to marlas instantly. 1 square inch = 2.550745e-5 marla — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Marla to Square Inch converter for the reverse conversion.
Units explained
Square Inch
A square inch is an imperial unit of area equal to exactly 0.00064516 m², the area of a square with sides of one inch. It is widely used in the United States for small-area measurements.
Derived by squaring the inch. The inch was standardized to exactly 25.4 mm via the 1959 International Yard and Pound Agreement.
Square inches are used extensively in US engineering, manufacturing, real estate (for floor plans), and everyday small-area measurements. Engine displacement is often expressed in cubic inches but cross-sections in square inches.
Inch dates to medieval English usage; modern exact value standardized in 1959.
Marla
A marla is a unit of land area used in Punjab, Haryana, and Pakistani Punjab, equal to approximately 25.293 m² (1/20 of a kanal or 272.25 square feet).
Defined as 1/20 of a kanal during British colonial administration of Punjab. 160 marlas equal 1 acre.
Marlas are the standard small-area unit for residential plots in Punjab, Pakistan, and adjoining regions. Most Punjab property listings cite size in marlas alongside square feet.
Standardized in colonial Punjab.
Square Inch to Marla conversion formula
The relationship between square inches and marlas:
To convert square inches to marlas, multiply the value in square inches by 2.550745e-5. To reverse, multiply marlas by 39204.2284084568.
How to use this converter
Type a value into the calculator. The result in marlas updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Marla to Square Inch converter for the reverse direction.
Step-by-step: convert square inches to marlas
- Write down the value in square inches (in²).
- Multiply that value by the factor 2.550745e-5.
- The product is the equivalent value in marlas (marla).
- To reverse, multiply the marla value by 39204.2284084568.
Worked examples
Example 1 — Convert 1 in² to marla:
1 × 2.550745e-5 = 2.550745e-5 marla
Example 2 — Convert 100 in² to marla:
100 × 2.550745e-5 = 0.0025507453 marla
Real-world example — Hair-width scale measurements
A 70-square inch measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like marlas for direct comparison across supplier datasheets.
70 in² × 2.550745e-5 = 0.0017855217 marla
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 square inches), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 in² × 2.550745e-5 = 7.652236e-5 marla
Real-world example — Plastic-film thickness alternates
A 150-square inch plastic film converts cleanly to marlas — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 in² × 2.550745e-5 = 0.0038261179 marla
Square Inch to Marla conversion table
Standard reference values for converting square inches to marlas:
| Square Inch [in²] | Marla [marla] |
|---|---|
| 0.01 | 2.550745e-7 |
| 0.1 | 2.550745e-6 |
| 1 | 2.550745e-5 |
| 2 | 5.101491e-5 |
| 3 | 7.652236e-5 |
| 4 | 0.0001020298 |
| 5 | 0.0001275373 |
| 10 | 0.0002550745 |
| 20 | 0.0005101491 |
| 30 | 0.0007652236 |
| 40 | 0.0010202981 |
| 50 | 0.0012753726 |
| 100 | 0.0025507453 |
| 500 | 0.0127537263 |
| 1000 | 0.0255074527 |
Frequently asked questions
How many marlas is 1 square inch?
How do I convert square inches to marlas?
How do I convert marlas back to square inches?
How many marlas is 100 square inches?
Popular area unit conversions
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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 in² = 2.550745e-5 marla) 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.