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Square Inches to Square Meters (in² to m²) Converter

1 square inch (in²) = 0.00064516 square meters (m²). To convert square inches to square meters, multiply by 0.00064516: 25 in² × 0.00064516 = 0.016129 m². Also searched as square inches to square metres.

1 in² = 0.00064516 m²
Convert the other way: Square Meters to Square Inches

Quick facts

How to convert square inches to square meters

  1. Take the value in square inches.
  2. Multiply it by 0.00064516 (the number of square meters in one square inch).
  3. Round the result to the precision you need.
m² = in² × 0.00064516

Worked example: 25 in² × 0.00064516 = 0.016129 m².

To convert square meters back to square inches, multiply by 1,550, or divide by 0.00064516.

Source: NIST SP 811 (2008). Marla and kanal use the Punjab standard stated in their definitions; local sizes can differ.

Square Inches to Square Meters conversion table

Square Inches to Square Meters conversion table
Square Inches [in²]Square Meters [m²]
1 in²0.00064516 m²
10 in²0.0064516 m²
100 in²0.064516 m²
1000 in²0.64516 m²
10000 in²6.4516 m²
100000 in²64.516 m²
1000000 in²645.16 m²

in² to m² chart from 1 to 100

Square Meters to Square Inches conversion table

Square Meters to Square Inches conversion table
Square Meters [m²]Square Inches [in²]
0.001 m²1.5500031 in²
0.01 m²15.5000310001 in²
0.1 m²155.0003100006 in²
0.5 m²775.0015500031 in²
1 m²1550.0031000062 in²
2 m²3100.0062000124 in²
5 m²7750.015500031 in²
10 m²15500.031000062 in²

Square Inches vs Square Meters

Square InchSquare Meter
Symbolin²m²
Equals1 in² = 0.00064516 m²1 m² = 1,550 in²

What is a square inch?

The area of a square with 1-inch sides. Used in the US for small material and screen surface areas.

What is a square meter?

The SI derived unit of area, equal to the area of a 1-meter square. The standard unit for floor space and land worldwide outside the US.

Frequently asked questions

How many square meters are in a square inch?

There are 0.00064516 square meters in 1 square inch (1 in² = 0.00064516 m²).

How many square inches are in a square meter?

There are 1,550 square inches in 1 square meter (1 m² = 1550.0031000062 in²).

How do I convert square inches to square meters?

Multiply the number of square inches by 0.00064516. For example, 10 in² × 0.00064516 = 0.0064516 m². To convert back, multiply by 1,550.

What is 10 in² in square meters?

10 in² = 0.0064516 m².

What is 100 in² in square meters?

100 in² = 0.064516 m².

Is the conversion exact?

Yes. The factor comes from the official definitions of both units (NIST SP 811 (2008). Marla and kanal use the Punjab standard stated in their definitions; local sizes can differ). Results are shown to up to 10 decimal places; round them to suit your purpose.

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Reviewed by

Dr. Muhammad Amjad Khadim PhD Mathematics

Dr. Muhammad Amjad Khadim holds a PhD in Mathematics. He writes and reviews the guides on pakmath.com and checks every formula, conversion factor and worked example against published standards and official guidance before it goes live. Spotted an error? Tell us and it will be corrected.

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First published 28 October 2026 · Last reviewed 5 November 2026