Layer Cake Size Guide: Pieces, Yardage and How Many for a Quilt
A layer cake is 42 pieces of 10 x 10 inches, about 4,200 square inches or 2.78 yard of fabric. Sewn as simple patchwork it covers about 3,791 square inches, so a 50 x 65 inch throw top needs about 1 and a queen top about 3.
Precuts are bundles of fabric cut to a standard size, usually one or two pieces of every print in a collection. A layer cake bundles 42 pieces of 10 x 10 inches. Other names: 10 in stackers, 10 in squares.
| Piece size | 10 x 10 in |
|---|---|
| Pieces | 42 |
| Total fabric | 4,200 sq in |
| Yardage equivalent | about 2.78 yd |
| Finished patchwork coverage | about 3,791 sq in per pack |
| Notes | Typically 42 squares. |
How many layer cakes do you need for each quilt size?
Counts assume the whole top is made from this precut, with each square finishing 1/2 inch smaller than cut. Add background fabric, sashing or borders and you need fewer.
| Quilt | Top size (in) | Top area (sq in) | Layer Cakes |
|---|---|---|---|
| Baby | 40 x 40 | 1,600 | 1 |
| Crib | 36 x 52 | 1,872 | 1 |
| Lap | 45 x 60 | 2,700 | 1 |
| Throw | 50 x 65 | 3,250 | 1 |
| Twin | 68 x 90 | 6,120 | 2 |
| Twin XL | 68 x 95 | 6,460 | 2 |
| Full / Double | 83 x 90 | 7,470 | 2 |
| Queen | 90 x 95 | 8,550 | 3 |
| King | 106 x 95 | 10,070 | 3 |
| California King | 102 x 99 | 10,098 | 3 |
What can you cut from a layer cake?
These are the most pieces of each common size you can cut from one pack, rotating the cut where that fits more.
| Cut size | Pieces |
|---|---|
| 2 1/2 in squares (mini charm size) | 672 |
| 5 in squares (charm size) | 168 |
| 10 in squares (layer cake size) | 42 |
| 3 1/2 x 6 1/2 in rectangles | 84 |
Measure before you cut
Many precuts have pinked (zigzag) edges. Decide whether you measure from the peaks or the valleys of the zigzag and keep it consistent, or your blocks will not match.
Precut-friendly quilting tools
Moda Bella Solids White Layer Cake
$39.99A layer cake of Bella Solids white, a clean background for pairing with printed precuts.
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Olfa 17 x 17 Rotating Cutting Mat RM-17S
$100.98Trim squares and HSTs on all sides by turning the mat instead of the fabric.
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Bloc Loc Half-Square Triangle Ruler Set #2
$72.75Precise trimming for half square triangles made from charm squares and layer cakes.
Check pricePrices change often, so confirm on Amazon. As an Amazon Associate we earn from qualifying purchases.
How does a layer cake compare with other precuts?
| Precut | Piece size (in) | Pieces | Yards equivalent | Finished coverage (sq in) |
|---|---|---|---|---|
| Mini Charm Pack | 2 1/2 x 2 1/2 | 42 | 0.17 | 168 |
| Charm Pack | 5 x 5 | 42 | 0.69 | 851 |
| Layer Cake | 10 x 10 | 42 | 2.78 | 3,791 |
| Jelly Roll | 2 1/2 x 42 | 40 | 2.78 | 3,200 |
| Honey Bun | 1 1/2 x 42 | 40 | 1.67 | 1,600 |
| Dessert Roll | 5 x 42 | 20 | 2.78 | 3,600 |
| Turnover | 6 x 6 | 80 | 0.95 | 1,000 |
| Fat Quarter | 18 x 21 | 1 | 0.25 | 243 |
| Fat Eighth | 9 x 21 | 1 | 0.125 | 81 |
| Half Yard Cut | 18 x 44 | 1 | 0.5 | 486 |
Frequently asked questions
How many pieces are in a layer cake?
A typical layer cake has 42 pieces, each 10 x 10 inches. Typically 42 squares. Always check the label, because counts and exact sizes vary by manufacturer and collection, and some pieces are pinked at the edges, which slightly reduces the usable size.
How many layer cakes do I need for a throw quilt?
A 50 x 65 inch throw top is 3,250 square inches. With each square finishing 1/2 inch smaller than cut, one pack covers about 3,791 square inches, so plan about 1. That is for the patchwork only: sashing, borders, backing and binding need separate yardage.
How many layer cakes do I need for a queen quilt?
A 90 x 95 inch queen top is 8,550 square inches, so you would need about 3 at roughly 3,791 square inches each. Many quilters stretch fewer precuts by adding a solid background fabric, wide sashing or a border, which also makes the prints stand out.
How much yardage is a layer cake?
A layer cake holds about 4,200 square inches of fabric, which is roughly 2.78 yard of 42 inch cotton by area. Precuts give far more print variety than one yard of a single fabric, which is why they cost more per square inch. The trade-off is less flexibility in what you can cut.
What can I make with one layer cake?
One pack covers about 3,791 square inches, which is enough for a 40 x 40 inch baby quilt top in simple patchwork, or a generous table runner, a set of pillows or a lap quilt center with borders.
How we research: we compare manufacturer specifications, owner manuals, published standards and recurring themes in verified owner reviews. We do not test products in person, and this is researched guidance, not professional advice. Follow your machine manual and pattern, and take care with rotary cutters, hot irons and needles. As an Amazon Associate we earn from qualifying purchases.