How much fondant do you need to cover a cake with diameter of nine and height go one?

To calculate the amount of fondant needed to cover a cake, you will need to find the surface area of the cake, including the top, sides, and any decorations. Here's how to calculate the amount of fondant you need for a cake with a 9-inch diameter and a height of 6 inches:

1. Calculate the surface area of the top of the cake:

- The formula for the area of a circle is A = πr², where A is the area and r is the radius of the circle.

- The radius of the cake is half of its diameter, so r = 9 inches / 2 = 4.5 inches.

- A = π(4.5 inches)² ≈ 63.62 square inches

2. Calculate the surface area of the sides of the cake:

- The formula for the surface area of a cylinder is A = 2πrh, where A is the area, r is the radius of the cylinder, and h is the height of the cylinder.

- A = 2π(4.5 inches)(6 inches) ≈ 172.78 square inches

3. Add the surface areas of the top and sides:

- The total surface area of the cake is approximately 63.62 square inches + 172.78 square inches ≈ 236.40 square inches.

4. Roll out the fondant:

- Roll out the fondant to a thickness of about 1/8 inch.

- Cut out a circle of fondant that is slightly larger than the diameter of the cake.

- Cut out a strip of fondant that is the height of the cake plus an additional 1 inch for overlap.

5. Cover the cake:

- Place the fondant circle on top of the cake and smooth it out with your hands.

- Wrap the fondant strip around the sides of the cake and overlap the edges by 1 inch.

- Use a fondant smoother or your hands to smooth out any wrinkles or bubbles in the fondant.

6. Decorate the cake:

- Use any remaining fondant to decorate the cake, such as by creating flowers, leaves, or other decorations.

Remember that these measurements are approximate, and you may need to adjust them slightly depending on the specific cake you are making and your desired decorations.