Surface Tension - Water in contact with Air

Surface tension of water in contact with air for temperatures ranging 0 to 100°C (32 to 212°F) in imperial units (BG units) and SI units.

Surface Tension of Water in Contact with Air

This calculator provides surface tension values for water in contact with air across different temperature ranges using both Imperial (BG) and SI units.

Imperial Units (BG): Surface tension in 10⁻³ lb/ft

SI Units: Surface tension in 10⁻² N/m

Calculator

Inputs

Temperature

Unit System

Results

Surface Tension-- dynamic

Temperature (°C)	Surface Tension (10⁻² N/m)
0	7.56
5	7.49
10	7.42
20	7.28
30	7.12
40	6.96
50	6.79
60	6.62
70	6.44
80	6.26
90	6.08
100	5.89
150	4.82
200	3.76
250	2.64
300	1.47
350	0.37
374.1	0

Temperature (°F)	Surface Tension (10⁻³ lb/ft)
32	5.18
40	5.13
50	5.09
60	5.03
70	4.97
80	4.91
90	4.86
100	4.79
120	4.67
140	4.53
160	4.4
180	4.26
200	4.12
212	4.04