A 3-pound cake is equivalent to a 10 inch cake, and the pound is the European unit of measurement for cakes,. 1 pound (lb)≈454(g).

1 lb ≈6 inches, diameter15cm,

2 pounds, 8 inches, 20 centimeters in diameter,

3 pounds ≈ 10 inch, 25 cm in diameter,

4 pounds ≈ 12 inch, 30CM in diameter,

5 pounds ≈ 14 inch, 35 cm in diameter,

6 pounds ≈ 16 inch, 40 cm in diameter,

Extended data

There are many kinds of cakes, including mousse cake, cheesecake, art cake, sugar-free cake, French cake, European cake, wedding cake, birthday cake, chocolate cake, children's cake, baked cheesecake, ice cream cake, cream fruit, classic cake, fresh milk cake, big cake, frozen cheesecake and digital cake.

reference data

Baidu encyclopedia-birthday cake