It takes 3500 calories to make a pound of fat!

Beef, round, top round, separable lean only, trimmed to 1/2" fat, prime, cooked, broiled
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Energy Fat
26.9 size D batteries 0.3 butter sticks

A serving of 315.0g contains 677kcal, representing ± 26.9 batteries*.

A aged requires 2700kcal (107.3 batteries*) a day.

* size D, 1.5V, 19500mAh

A serving of 315.0g contains 27.94g fat, which is comparable to ± 0.3 butter sticks.