How long will a grey seal stay full after eating a human
A grey seal (187.76–234.4 kilograms, 14 years 4 months) can feed on a human (62–76 kilograms, 33 years): one prey keeps it full for 2 weeks, so it needs about 0.075–0.088 per day.
How long does a human last a grey seal?
About 2 weeks.
How many humans does a grey seal eat per day?
About 0.075–0.088 per day.
How is it worked out how long the food lasts?
We look at how much food such an animal needs per day and how much there is in the prey; other masses can be set in the calculator.