The density of a liquid in g/L corresponds to the mass in grams of one liter of that liquid.

ρ: density

Liquid and Density
Acetic Acid
ρ = 1,050 g/L
Acetone
ρ = 790 g/L
Blood
ρ = 1,060 g/L
Coca-Cola
ρ = 1,036 g/L
Coca-Cola Zero
ρ = 998 g/L
Cyclohexane
ρ = 779 g/L
Diesel
ρ = 850 g/L
Diet Coca-Cola
ρ = 993 g/L
Ethanol
ρ = 790 g/L
Gasoline
ρ = 750 g/L
Glycerin
ρ = 1,260 g/L
Mercury
ρ = 13,500 g/L
Milk
ρ = 1,030 g/L
Olive Oil
ρ = 920 g/L
Seawater
ρ = 1,030 g/L
Water at 4°C
ρ = 1,000 g/L