Convert Square centimetres per second to Square millimetres per second

Convert Square centimetres per second (cm²/s) to Square millimetres per second (mm²/s) instantly and accurately.

Square centimetres per second (cm²/s)
Square millimetres per second (mm²/s)

Conversion Formula

mm²/s = cm²/s × 100

About Square centimetres per second

The square centimetre per second (cm²/s) equals 10⁻⁴ m²/s, numerically identical to 1 stoke (St). It is the explicit CGS dimensional form, preferred in dimensional analysis or when avoiding named units. 1 cm²/s = 1 St = 100 cSt.

About Square millimetres per second

The square millimetre per second (mm²/s) equals 10⁻⁶ m²/s, numerically identical to 1 centistoke (cSt). It is the preferred SI-consistent expression: ISO 3104, DIN 51562, and ASTM viscosity standards all use mm²/s interchangeably with cSt. Water at 20 °C ≈ 1.004 mm²/s; SAE 10W-30 at 100 °C: 9.3-12.5 mm²/s. 1 mm²/s = 1 cSt.

Quick Reference Table

Square centimetres per second (cm²/s)Square millimetres per second (mm²/s)
1 cm²/s100 mm²/s
2 cm²/s200 mm²/s
5 cm²/s500 mm²/s
10 cm²/s1000 mm²/s
25 cm²/s2500 mm²/s
50 cm²/s5000 mm²/s
100 cm²/s10000 mm²/s

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