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Find viscosity tables and charts for engine oil at multiple temperatures (viscosity and density values with their source).
When comparing 5w20 vs. 5w30 motor oil, the 20 indicates that the oil has a lower viscosity and is thinner at higher temperatures. This enables the 5w20 motor oil to reach engine parts quicker and create less drag that reduces fuel economy.
Discover the ideal oil viscosity for your vehicle with our comprehensive oil viscosity chart. Find the perfect oil to keep your engine running smoothly.
In the oil viscosity chart, you’ve got different viscosity grades in the middle and the corresponding kinematic viscosity and saybolt viscosity at two temperatures on the left and right, respectively.
ENGINE OIL VISCOSITY CHART. What Do Oil Viscosity Numbers Mean? Viscosity is the resistance to flow of a fluid. Motor oil viscosity grades are based on a scale developed by the API (American Petroleum Institute) lubricant organization.
Online calculator, figures and table showing dynamic and kinematic viscosity of benzene, C 6 H 6, at varying temperature and pressure - Imperial and SI Units. Dynamic (Absolute) Viscosity - Converting Chart Convert dynamic viscosity values between units like Poiseuille - Poise - centiPoise and more.
Learn about motor oil numbers, what is oil viscosity, what oil to use for your car, what is the best oil for winter, when to use high-mileage oil, and more.
Many petroleum products are graded according to the ISO Viscosity Classification System, approved by the international standards organization (ISO). Each ISO viscosity grade number corresponds to the mid-point of a viscosity range expressed in centistokes (cSt) at 40°C.
Consult your vehicle’s owner’s manual to determine the recommended viscosity grade. Consider factors like climate, driving conditions, and vehicle age when selecting the right oil. Engine Oil Viscosity Chart. Here is a simple engine oil viscosity chart to help you understand the different grades:
KINEMATIC VISCOSITY, CENTISTOKES TEMPERATURE, DEGREES CELSIUS-20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 OIL VISCOSITY / TEMPERATURE CHART Lines shown indicate oils ISO grade Viscosity Index of 100. Lower V.I. oils will have a steeper slope. Higher V.I. oils will have a flatter slope.