It takes 3500 calories to make a pound of fat!

Beef, chuck, arm pot roast, separable lean and fat, trimmed to 1/8" fat, choice, raw
» Beef Products

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Energy Fat
178.4 size D batteries 3.7 butter sticks

A serving of 1801.0g contains 4484kcal, representing ± 178.4 batteries*.

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

* size D, 1.5V, 19500mAh

A serving of 1801.0g contains 334.45g fat, which is comparable to ± 3.7 butter sticks.