15.24cm.

The usual meaning of a 6-inch cake is a cake whose round diameter is 6 inches.

An inch or inch is a unit of length used in the United Kingdom (UK, i.e. the United Kingdom (Commonwealth of Nations) and its former colonies, generally 1in = 2.54cm.In the British system, 12 inches is 1 foot and 36 inches is 1 yard.

One inch = 2.54 cm.

That's a cake with a diameter of 15.24 centimeters.

6 inches (15.24cm) is the blank of the cake, excluding buttercream and other decorations.

History of size origins

Because cake is an imported product, the industry produces cakes in "inches". 1 inch equals 0.762 inches, which translates to 2.54 cm.

Cake sizes

3 lb.

3 pounds of cake is equivalent to 10 inches of cake, pounds of European cake using the unit of measurement, 1 pound (lb) ≈ 454 (g)

1 lb ≈ 6 inches, 15CM in diameter

2 lb ≈ 8 inches, 20CM in diameter

3 lb ≈ 10 inches, 25CM in diameter

4 lb ≈ 12 inches, 30CM in diameter

5 lb ≈ 12 inches, 30CM in diameter.

5 lbs ≈ 14 inches, 35CM diameter

6 lbs ≈ 16 inches, 40CM diameter