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Motor Oils - Dynamic Viscosities

Dynamic viscosities for motor oils SAE 10 to 50 for temperatures ranging 0-100 oC.

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Viscosity of lube oil is determined by the Society of Automotive Engineers (SAE).

Lube oils can be multigrade or monograde where multigrade oils fulfills two viscosity specifications. Example SAE 10W-40 where 10W refers to low-temperature - or winter - viscosity and 40 refers to the high-temperature - or summer - viscosity.

Motor oil viscosity

Dynamic Viscosity (N s/m2)
SAETemperature (oC)
10 0.31 0.079 0.020 0.005
20 0.72 0.170 0.033 0.007
30 1.53 0.310 0.061 0.010
40 2.61 0.430 0.072 0.012
50 3.82 0.630 0.097 0.015
  • 1 N s/m2 = 1 kg/(m s) = 1 Pa s = 1000 cP

Dynamic viscosity chart - SAE vs. temperature

Download and print Dynamic Viscosity Chart - SAE vs. temperature

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