Convert Millidarcies to Square Centimetres (mD to cm2)
1 millidarcy (mD) = 9.869233 × 10⁻¹² square centimetres (cm²). 1 cm² = 101324996600 mD. Example: 15 mD = 15 × 9.869233 × 10⁻¹² = 1.48038495 × 10⁻¹⁰ cm².
Also searched as millidarcies to cm2, millidarcies in cm2, millidarcies into square centimetres, mD to cm2, mD in square centimetres, mD into square centimetre, millidarcy to square centimetre, mD to square centimetres converter, millidarcies to square centimeters and how many square centimetres in a millidarcy.
1 mD = 9.869233e-12 cm²
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk millidarcy to square centimetre converter to paste a column from Excel.
How to Convert Millidarcy to Square Centimetre
- 1 mD = 9.869233 × 10⁻¹² cm²
- 1 cm² = 101324996600 mD
- Example: convert 15 mD to cm²: 15 mD = 15 × 9.869233 × 10⁻¹² cm² = 1.48038495 × 10⁻¹⁰ cm²
Formula
cm² = mD × 9.869233 × 10⁻¹²
or cm² = mD ÷ 101324996582.8
Derivation from SI units:
- 1 mD = 10⁻³ D = 9.869233 × 10⁻¹⁶ m².
- 1 cm² = 10⁻⁴ m².
- 1 mD = 9.869233 × 10⁻¹⁶ m² ÷ 0.0001 m² per cm² = 9.869233 × 10⁻¹² cm²
One unit is a measured value, so the factor is approximate. Millidarcy definition: millidarcy; Square Centimetre definition: square centimetre.
Worked examples
- A reading of 1 mD converts to 9.869233 × 10⁻¹² cm².
1 mD × 9.869233 × 10⁻¹² = 9.869233 × 10⁻¹² cm² - A value of 100 mD is 9.869233 × 10⁻¹⁰ cm².
100 mD × 9.869233 × 10⁻¹² = 9.869233 × 10⁻¹⁰ cm²
Millidarcy to Square Centimetre conversion table
| Millidarcies (mD) | Square Centimetres (cm²) |
|---|---|
| 0.001 mD | 9.869233 × 10⁻¹⁵ cm² |
| 0.01 mD | 9.869233 × 10⁻¹⁴ cm² |
| 0.1 mD | 9.869233 × 10⁻¹³ cm² |
| 1 mD | 9.869233 × 10⁻¹² cm² |
| 10 mD | 9.869233 × 10⁻¹¹ cm² |
| 50 mD | 4.9346165 × 10⁻¹⁰ cm² |
| 100 mD | 9.869233 × 10⁻¹⁰ cm² |
| 250 mD | 2.46730825 × 10⁻⁹ cm² |
| 500 mD | 4.9346165 × 10⁻⁹ cm² |
| 1000 mD | 9.869233 × 10⁻⁹ cm² |
Where it's used
Millidarcies are used for reservoir rock classification, while square centimetres appear in soil physics and older literature. Both measure intrinsic permeability of a porous medium, so the conversion is a fixed factor.
Millidarcy to other intrinsic permeability units
| Conversion | 1 mD equals |
|---|---|
| millidarcy to square centimetre | 9.869233 × 10⁻¹² cm² |
| millidarcy to square metre | 9.869233 × 10⁻¹⁶ m² |
| millidarcy to darcy | 0.001 D |
| millidarcy to square micrometre | 0.0009869233 µm² |
Frequently asked questions
How many square centimetres are in 1 millidarcy?
1 mD = 9.869233 × 10⁻¹² cm².
How do I convert millidarcies to square centimetres?
Multiply the value in mD by 9.869233 × 10⁻¹², or divide it by 101324996600. For example, 15 mD × 9.869233 × 10⁻¹² = 1.48038495 × 10⁻¹⁰ cm².
Is the mD to cm² conversion exact?
Not exactly. The millidarcy is a measured value (see sources). Results are good to about 5 significant figures.
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "darcy".
- 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 Millidarcies to Square Centimetres (mD to cm2). Retrieved October 29, 2026, from https://scientificconverters.com/intrinsic-permeability/millidarcies-to-square-centimeters/
IEEE
Scientific Converters, "Convert Millidarcies to Square Centimetres (mD to cm2)," scientificconverters.com. Accessed: Oct. 29, 2026. [Online]. Available: https://scientificconverters.com/intrinsic-permeability/millidarcies-to-square-centimeters/