Convert Square Micrometres to Square Metres (um2 to m2)
1 square micrometre (µm²) = 1 × 10⁻¹² square metres (m²). 1 m² = 1000000000000 µm². Example: 15 µm² = 15 × 1 × 10⁻¹² = 1.5 × 10⁻¹¹ m².
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1 µm² = 1e-12 m²
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk square micrometre to square metre converter to paste a column from Excel.
How to Convert Square Micrometre to Square Metre
- 1 µm² = 1 × 10⁻¹² m²
- 1 m² = 1000000000000 µm²
- Example: convert 15 µm² to m²: 15 µm² = 15 × 1 × 10⁻¹² m² = 1.5 × 10⁻¹¹ m²
Formula
m² = µm² ÷ 1000000000000
Derivation from SI units:
- 1 µm² = 10⁻¹² m², almost exactly one darcy (1 D = 0.9869 µm²).
- Intrinsic permeability k has dimension of area: k = K μ / (ρ g).
Both units are defined exactly, so the factor is exact. Square Micrometre definition: square micrometre; Square Metre definition: square metre.
Worked examples
- A reading of 0.1 µm² converts to 1 × 10⁻¹³ m².
0.1 µm² × 1 × 10⁻¹² = 1 × 10⁻¹³ m² - A value of 2 µm² is 2 × 10⁻¹² m².
2 µm² × 1 × 10⁻¹² = 2 × 10⁻¹² m²
Square Micrometre to Square Metre conversion table
| Square Micrometres (µm²) | Square Metres (m²) |
|---|---|
| 0.001 µm² | 1 × 10⁻¹⁵ m² |
| 0.01 µm² | 1 × 10⁻¹⁴ m² |
| 0.05 µm² | 5 × 10⁻¹⁴ m² |
| 0.1 µm² | 1 × 10⁻¹³ m² |
| 0.5 µm² | 5 × 10⁻¹³ m² |
| 1 µm² | 1 × 10⁻¹² m² |
| 2 µm² | 2 × 10⁻¹² m² |
| 5 µm² | 5 × 10⁻¹² m² |
| 10 µm² | 1 × 10⁻¹¹ m² |
| 100 µm² | 1 × 10⁻¹⁰ m² |
Where it's used
Square Micrometres are used for petroleum reservoir data in SI, while square metres appear in reservoir and porous-media flow. Both measure intrinsic permeability of a porous medium, so the conversion is a fixed factor.
Square Micrometre to other intrinsic permeability units
| Conversion | 1 µm² equals |
|---|---|
| square micrometre to square metre | 1 × 10⁻¹² m² |
| square micrometre to darcy | 1.013249966 D |
| square micrometre to millidarcy | 1013.249966 mD |
| square micrometre to square centimetre | 1 × 10⁻⁸ cm² |
Frequently asked questions
How many square metres are in 1 square micrometre?
1 µm² = 1 × 10⁻¹² m².
How do I convert square micrometres to square metres?
Multiply the value in µm² by 1 × 10⁻¹², or divide it by 1000000000000. For example, 15 µm² × 1 × 10⁻¹² = 1.5 × 10⁻¹¹ m².
Is the µm² to m² conversion exact?
Yes. Both units are defined exactly, and 1 µm² is exactly 1 × 10⁻¹² m².
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 4 (derived units) and Table 8 (non-SI units accepted for use with the SI).
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Square Micrometres to Square Metres (um2 to m2). Retrieved October 29, 2026, from https://scientificconverters.com/intrinsic-permeability/square-micrometers-to-square-meters/
IEEE
Scientific Converters, "Convert Square Micrometres to Square Metres (um2 to m2)," scientificconverters.com. Accessed: Oct. 29, 2026. [Online]. Available: https://scientificconverters.com/intrinsic-permeability/square-micrometers-to-square-meters/