A series to square meters
Type a value in A to get it in m² instantly.
0.125m²
That's about the same as an A3 sheet. With ISO proportions that is a sheet of about 297.3 × 420.4 mm (11.7 × 16.55 in).
What it means
How big is that sheet?
ISO 216 sizes are rounded to whole millimeters on real sheets. US sizes are compared by area; their proportions differ from √2.
The math
How to convert A to m²
Area of A n = 2^−n m²; B n = 2^(½−n) m², C n = 2^(¼−n) m². Sides are in the ratio 1 : √2.
Example: A3 A = 0.125 m².
Every unit
That sheet in every system
Tables
A to m² conversion table
| A | m² |
|---|---|
| A0 A | 1 m² |
| A1 A | 0.5 m² |
| A2 A | 0.25 m² |
| A3 A | 0.125 m² |
| A4 A | 0.0625 m² |
| A5 A | 0.03125 m² |
| A6 A | 0.015625 m² |
| A7 A | 0.0078125 m² |
| A8 A | 0.00390625 m² |
| A9 A | 0.00195313 m² |
| A10 A | 0.000976563 m² |
m² to A conversion table
| m² | A |
|---|---|
| 0.000977 m² | A10 A |
| 0.00195 m² | A9 A |
| 0.00391 m² | A8 A |
| 0.00781 m² | A7 A |
| 0.0156 m² | A6 A |
| 0.0313 m² | A5 A |
| 0.0625 m² | A4 A |
| 0.125 m² | A3 A |
| 0.25 m² | A2 A |
| 0.5 m² | A1 A |
| 1 m² | A0 A |
Quick answers
Quick answers
- How many m² is A1 A?
- A1 A is 0.5 m².
- How many m² is A10 A?
- A10 A is 0.000976563 m².
- How many m² is A3 A?
- A3 A is 0.125 m².
The units
About these units
A series (A)
ISO A sizes: A0 is 1 m², A4 a sixteenth.
Square meters (m²)
Sheet area in square meters.
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