Convert Square millimetres per hour to Square centimetres per second

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

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

Conversion Formula

cm²/s = mm²/h × 2.777777778e-6

About Square millimetres per hour

The square millimetre per hour (mm²/h) equals 1/(3.6 × 10⁹) m²/s ≈ 2.78 × 10⁻¹⁰ m²/s. It appears in materials science for solid-state diffusion and thin-film growth studies where hourly timescales are more natural than seconds. 1 mm²/h = 1/3600 mm²/s = 1/3600 cSt.

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.

Quick Reference Table

Square millimetres per hour (mm²/h)Square centimetres per second (cm²/s)
1 mm²/h2.778 × 10-6 cm²/s
2 mm²/h5.556 × 10-6 cm²/s
5 mm²/h1.389 × 10-5 cm²/s
10 mm²/h2.778 × 10-5 cm²/s
25 mm²/h6.944 × 10-5 cm²/s
50 mm²/h0.000138889 cm²/s
100 mm²/h0.000277778 cm²/s

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