Surface Tension Converter
Convert surface tension between N/m, mN/m, dyne/cm, and lbf/ft.
Water is 72 mN/m.
Used in fluid mechanics, detergent formulation, and coating applications.
Type in any field — the others update instantly.
All surface tension conversions use Newtons per meter (N/m) as the base unit.
Key conversions:
- 1 N/m = 1,000 mN/m (millinewtons per meter)
- 1 dyne/cm = 0.001 N/m (1 mN/m)
- 1 lbf/ft = 14.5939 N/m
Common references:
- Water at 20°C: about 72.8 mN/m (72.8 dyne/cm)
- Mercury: about 485 mN/m
- Ethanol: about 22 mN/m