RTR Icing Fondant Coverage Chart
The chart below can be used to determine an estimated amount of how much ready to rolled (RTR) fondant is required based on the dimension and shape of the cake.
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| Cake Size | Size (inches) | Size (cm) | Approximate Amount |
| Rounds 4 in. high 10.16cm |
6" | 15.24cm | 510g |
| 8" | 20.32cm | 680g | |
| 10" | 25.4cm | 1021g | |
| 12" | 30.48cm | 1361g | |
| 14" | 35.56cm | 2041g | |
| 16" | 40.64cm | 3062g | |
| 18" | 45.72cm | 3969g | |
| Rounds 3 in. high 7.6cm |
6" | 15.24cm | 397g |
| 8" | 20.32cm | 510g | |
| 10" | 25.4cm | 680g | |
| 12" | 30.48cm | 1021g | |
| 14" | 35.56cm | 1361g | |
| 16" | 40.64cm | 2041g | |
| 18" | 45.72cm | 3062g | |
| Hearts 4 in. high 10.16cm |
6" | 15.24cm | 510g |
| 8" | 20.32cm | 737g | |
| 9" | 22.86cm | 907g | |
| 10" | 25.4cm | 1021g | |
| 12" | 30.48cm | 1361g | |
| 14" | 35.56cm | 2041g | |
| 15" | 38.1cm | 2041g | |
| 16" | 40.64cm | 2722g | |
| Petals 4 in. high 10.16cm |
6" | 15.24cm | 510g |
| 9" | 22.86cm | 850g | |
| 12" | 30.48cm | 1361g | |
| 15" | 38.1cm | 2041g | |
| Squares 4 in. high 10.16cm |
6" | 15.24cm | 680g |
| 8" | 20.32cm | 1021g | |
| 10" | 25.4cm | 1361g | |
| 12" | 30.48cm | 2041g | |
| 14" | 35.56cm | 2722g | |
| 16" | 40.64cm | 3402g | |
| Hexagons 4 in. high 10.16cm |
6" | 15.24cm | 510g |
| 9" | 22.86cm | 1021g | |
| 12" | 30.48cm | 1361g | |
| 15" | 38.1cm | 2381g |