SeeMyQuilt
Chains & crosses · Beginner · 10" finished

10 inch Double Irish Chain, Block B quilt block

Cutting chart, piecing steps and yardage for a Double Irish Chain, Block B block that finishes at 10". The block is a 5 × 5 grid and each cell finishes at 2".

Finished block 10" × 10". Unfinished 10 1/2" × 10 1/2".

Cutting chart for one block

FabricCutSizeThen
Main4 squares2 1/2" × 2 1/2"–
Background1 rectangle10 1/2" × 6 1/2"–
Background2 rectangles6 1/2" × 2 1/2"–

How to piece it

  1. Cut the pieces in the chart above. All measurements include a 1/4" seam allowance.
  2. Lay all the pieces out as in the diagram. The block is a 5 × 5 grid, and each cell finishes at 2". Sew neighbouring pieces into sections, then the sections into rows, pressing seams in opposite directions from row to row.
  3. Join the rows. The block should measure 10 1/2" now and 10" once it is sewn into the quilt.

Yardage for a quilt of 10" Double Irish Chain, Block B blocks

Quilt sizeBlocksFinished sizeMainBackgroundBorder & bindingBacking
Baby3 × 4 (12)36" × 46"1/4 yd1 yd7/8 yd3 yd
Lap4 × 5 (20)46" × 56"1/2 yd1 5/8 yd1 yd3 3/4 yd
Throw5 × 7 (35)56" × 76"3/4 yd2 3/4 yd1 3/8 yd4 3/4 yd
Twin7 × 9 (63)76" × 96"1 1/4 yd4 7/8 yd1 3/4 yd6 yd
Queen9 × 9 (81)96" × 96"1 5/8 yd6 1/4 yd1 7/8 yd8 3/4 yd
King10 × 10 (100)106" × 106"2 yd7 5/8 yd2 1/8 yd9 1/2 yd

Blocks side by side with a 3" border, 2 1/2" binding, 42" usable width and 10% extra.

What a lap quilt looks like

4 × 5 blocks, 46" × 56" with border.

This diagram uses plain colors. To see the quilt in your own fabrics, with sashing or on point, use the tool below: tap a fabric and choose a photo.

5" Double Irish Chain, Block B7 1/2" Double Irish Chain, Block B15" Double Irish Chain, Block BAll Double Irish Chain, Block B sizes

See it in your own fabrics

1. Your fabrics (tap a fabric, then choose a sample or your own photo)
2. Block
3. Quilt size
4. Block size
5. Setting

What to buy

FabricYardageCut

Based on 42" usable fabric width, 1/4" seams and 10% extra. Your photos stay on your device.

Questions

What do I cut for a 10 inch Double Irish Chain, Block B block?

4 main squares at 2 1/2" × 2 1/2"; 1 background rectangle at 10 1/2" × 6 1/2"; 2 background rectangles at 6 1/2" × 2 1/2".

What size is the block before it is sewn into the quilt?

10 1/2" square. It finishes at 10" once the seams on all four sides are sewn.

How much fabric for a throw quilt of 10 inch Double Irish Chain, Block B blocks?

35 blocks make a 56" × 76" quilt. Buy 3/4 yd of main, 2 3/4 yd of background and 1 3/8 yd of border & binding, plus 4 3/4 yd for the backing.