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The value of 1 kg of heavy crude will be between 1.0 to 1.0714 liters.

Definitions of heavy oil vary. Generally, a range of 10 degrees to 20 degrees API is one qualifier, and the viscosity of the oil is a second qualifier.

Specific gravity (SG) = 141.5/(131.5 + API) where API = degrees API density. So, 20 degrees equals SG of 0.9333. This is equal to 0.9333 kg/ liter, so 1 liter = 1/0.933 = 1.0714 kg. For 10 degrees API, SG = 1.

See related links for discussion of heavy oil and tars.

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15y ago

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