How long will a human stay full after eating a swift

A human (62–76 kilograms, 33 years) can feed on a swift (36–48 grams, 7 years): one prey keeps it full for 1 hour, so it needs about 39.929 per day.

How long does a swift last a human?

About 1 hour.

How many swifts does a human eat per day?

About 39.929 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.