Surface Tension Converter
Enter a value below to convert between metric, imperial, and standard surface tension units.
Convert Surface Tension
Enter a value and select the units to convert between newtons per meter, millinewtons per meter, and dynes per centimeter.
You can change the units using the dropdowns above or click on a unit button.
Common Surface Tension Reference Points
Here are some common surface tension values in Newton per Meter (N/m), Millinewton per Meter (mN/m), and Dyne per Centimeter (dyn/cm). Click any preset value or arrow to load it into the converter.
| Description | Newton per Meter (N/m) | Millinewton per Meter (mN/m) | Dyne per Centimeter (dyn/cm) |
|---|---|---|---|
| 1 newton per meter unit | 1 | 1,000 | 1,000 |
| 5 newtons per meter | 5 | 5,000 | 5,000 |
| 10 newtons per meter benchmark | 10 | 10,000 | 10,000 |
| 25 newtons per meter | 25 | 25,000 | 25,000 |
| 50 newtons per meter | 50 | 50,000 | 50,000 |
| 100 newtons per meter reference | 100 | 100,000 | 100,000 |
Surface Tension Conversion Formulas
Use the following formulas to convert between newtons per meter, millinewtons per meter, and dynes per centimeter.
All surface tension conversions are anchored to the international SI base unit (Newton per Meter) for full scientific and engineering accuracy.
More Newton per Meter & Millinewton per Meter Conversions
Convert from Newtons per Meter
Frequently Asked Questions
All Surface Tension Conversion Calculators (6)
Select any dedicated surface tension pair below for worked examples and printable tables
Category Conversion Matrix
Simultaneous comparison of 5 units in this category
Surface Tension Unit Definitions & Symbols
Newton per Meter (N/m)
SISI unit of liquid surface tension.
Millinewton per Meter (mN/m)
METRICEqual to 1 dyne/cm (0.001 N/m). Water at 20 °C is ~72.8 mN/m.
Dyne per Centimeter (dyn/cm)
METRICCGS surface tension unit equal to 1 mN/m (0.001 N/m).
Gram-force per Centimeter (gf/cm)
METRICEqual to 0.980665 N/m.
Pound-force per Inch (lbf/in)
US CUSTOMARYEqual to 175.127 N/m.
References
- [1]NIST HB 133 StandardNIST (NIST HB 133 / SP 811)·Checking the Net Contents of Packaged Goods, Handbook 133 - 2019 Edition & NIST SP 811
- [2]BIPM SI BrochureBIPM (BIPM SI-9)·The International System of Units (SI Brochure, 9th Edition)
- [3]NIST SP 811 Appendix B.9NIST SP 811 (NIST SP 811 App. B.9)·NIST Guide to the SI, Appendix B.9: Factors for Units Listed by Kind of Quantity or Field of Science