Viscosity of Engine Oil

Description

Engine oils are generally formulated oils. They consist of mineral, semi- or fully synthetic base oil (base stocks) plus a varying number and amount of additives. The quality of an engine oil depends on the base stock and its properties as well as on the additives.

The main requirements for an engine oil are defined temperature-viscosity properties, protection against wear and corrosion, keeping the engine clean, holding particles like soot or abrasives in suspension, yield strength under compression and many more. Temperature impacts the flow properties of engine oil. Engine oil is available in different SAE grades to suit the climate where it is used and the purpose of the user.

Viscosity Tables – Measurement data

SAE 15W-40

Temp. [°C] Dyn. Viscosity [mPa.s] Kin. Viscosity [mm²/s] Density [g/cm³]
0 1328.0 1489.4 0.8916
10 582.95 658.60 0.8851
20 287.23 326.87 0.8787
30 155.31 178.01 0.8725
40 91.057 105.10 0.8663
50 57.172 66.464 0.8602
60 38.071 44.585 0.8539
70 26.576 31.350 0.8477
80 19.358 23.006 0.8414
90 14.588 17.467 0.8352
100 11.316 13.648 0.8291

Engine Oil SAE 15W-40 - kinematic viscosity and density over temperature

 

SAE 10W-40

Temp. [°C] Dyn. Viscosity [mPa.s] Kin. Viscosity [mm²/s] Density [g/cm³]
0 735.42 839.76 0.8758
10 385.53 443.53 0.8692
20 208.89 242.07 0.8629
30 121.63 141.98 0.8567
40 79.330 93.274 0.8505
50 53.904 63.847 0.8443
60 37.147 44.327 0.8380
70 26.502 31.865 0.8317
80 19.690 23.265 0.8239
90 15.093 18.424 0.8192
100 11.877 14.607 0.8131

Engine Oil SAE 10W-40 - kinematic viscosity and density over temperature

 

SAE 10W-60

Temp. [°C] Dyn. Viscosity [mPa.s] Kin. Viscosity [mm²/s] Density [g/cm³]
0 1453.8 1684.4 0.8631
10 712.34 831.44 0.8568
20 381.08 448.10 0.8504
30 220.06 260.69 0.8442
40 135.52 161.73 0.8380
50 88.554 106.47 0.8318
60 60.601 73.406 0.8256
70 43.230 52.766 0.8193
80 31.946 39.292 0.8130
90 24.310 30.129 0.8069
100 18.992 23.717 0.8008

Engine Oil SAE 10W-60 - kinematic viscosity and density over temperature

 

SAE 5W-40

Temp. [°C] Dyn. Viscosity [mPa.s] Kin. Viscosity [mm²/s] Density [g/cm³]
0 753.52 868.78 0.8674
10 378.65 439.85 0.8609
20 206.89 242.10 0.8545
30 121.90 143.70 0.8483
40 76.551 90.903 0.8421
50 50.861 60.849 0.8358
60 35.409 42.685 0.8295
70 25.631 31.135 0.8232
80 19.181 23.478 0.8170
90 14.742 18.185 0.8106
100 11.619 14.443 0.8045

Engine Oil SAE 5W-40 - kinematic viscosity and density over temperature

 

SAE 0W-30

Temp. [°C] Dyn. Viscosity [mPa.s] Kin. Viscosity [mm²/s] Density [g/cm³]
0 474.65 550.23 0.8626
10 249.94 291.93 0.8561
20 142.17 167.29 0.8498
30 86.600 102.66 0.8435
40 55.926 66.803 0.8372
50 38.008 45.748 0.8308
60 27.008 32.754 0.8246
70 19.844 24.258 0.8181
80 15.064 18.561 0.8116
90 11.734 14.572 0.8053
100 9.3466 11.698 0.7990

Engine Oil SAE 0W-30 - kinematic viscosity and density over temperature

SAE 30

Temp. [°C] Dyn. Viscosity [mPa.s] Kin. Viscosity [mm²/s] Density [g/cm³]
0 1124.10 1257.25 0.8941
10 491.10 553.20 0.8878
20 239.39 271.56 0.8815
30 128.42 146.70 0.8754
40 74.55 85.76 0.8693
50 46.43 53.80 0.8630
60 30.58 35.69 0.8569
70 21.17 24.89 0.8506
80 15.28 18.10 0.8444
90 11.42 13.62 0.8383
100 8.80 10.58 0.8322

Engine Oil SAE 30 - kinematic viscosity and density over temperature

Reference

Measured with SVM™.

Metainformation

Reference Measurement with SVM™
Kin. vis. yes
Dyn. vis. yes
Density yes
Multiple temperatures yes
Related Lubricant, lube, engine oil, motor oil, viscosity, SAE