It takes 3500 calories to make a pound of fat!

Beef, tenderloin, separable lean only, trimmed to 1/4" fat, choice, cooked, roasted
» Beef Products

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Energy Fat
23.0 size D batteries 0.3 butter sticks

A serving of 250.0g contains 578kcal, representing ± 23.0 batteries*.

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

* size D, 1.5V, 19500mAh

A serving of 250.0g contains 31.25g fat, which is comparable to ± 0.3 butter sticks.