The Twin Size Quilt

The common size for a twin mattress is 39” by 75”” so a lot of quilters will tell you the size of the quilt should be 63” by 87”.

Other quilters using blocks to create a twin quilt like the size 38” by 74”. If you are using blocks to cover just your mattress top and will be adding a border the number of blocks needed depends on the size of the block. For example
BLOCK SIZE # OF BLOCKS NEEDED THE LAYOUT
4”                                   162                            9X18
6”                                   72                              6X12
8                                     36                             4 X 9
9”                                   32                              4X8
10”                                 21                             3 X 7
12”                                 18                             3X6