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As an estimate, take the averages: 14-18 pints for an average adult, and the average blood content for body weight is 7%. So, supposing someone who weighs 150 lbs has 15 pints of blood, then 7% of 150 = 10.5 lbs --> converted to grams (2.26 kg = 1 lb) this is 4.65 kg of blood. Next consider that if your blood weighs 4.65 kg for every 15 pints, then one pint weighs 4.65 kg / 15 pints, or .31 kg. If there are 2.11 pints in a liter, then .31 x 2.11 = 0.65. So, as an educated guess I would estimate that 1 liter of blood weighs about 0.65 kg. A better answer is: Density of blood is 1060 kg/m3 Physics, Fourth Edition. Wiley, 1998: 308.>

1 m3 is equal to 1000L exactly. Thus, blood weighs 1.06kg/L

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16y ago

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