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Old 07-16-2008, 09:10 AM   #1
stefcap
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Diagonal Knit Baby Blanket: How many rows?
I am about to start knitting a baby blanket that will be knit diagonally. I will CO 3 sts and kfb into the 1st and last st to inc every other row. This will be knit in ST st, so the odd rows will be knit with the increases and the even rows will be purled.

I want the blanket to be 36x48" finished size. If I knit this straight, it would be 162 sts and 288 rows. (gauge is 18 sts and 24 rows = 4" using size 8 needles)

Since this is knit on the diagonal, I am not sure how many rows to do. If I cut the rectangle in half on the diagonal, the hypotenuse of the right triangle it forms, measures 60". (A squared + B squared = C squared)

60" = 270 sts or 360 rows. Do I knit until there are 270 sts on the needles, or knit 360 rows? I am so confused!

How do I calcualate the # of rows needed to get the blanket to measure 36x48"?

I am making 2 sides and seaming them together, so I need an actual row count, rather than just measuring, so both sides will be the same.

Please help!
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Old 07-16-2008, 09:16 AM   #2
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I don't think you can knit 2 triangles and join them for a rectangle, it would be a square. What I would do is start on one end, knit until the right edge is 36", then dec on that edge while continuing to inc on the left edge until that measures 48", then dec on both edges until you're down to 3 sts again.
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Old 07-16-2008, 11:02 AM   #3
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Guess I wasn't clear enough. I am not knitting 2 triangles and piecing together. I am knitting 2 rectangles and seaming around the edges to make a double sided blanket.

Both pieces will be 36x48", but I am knitting them diagonally, as to be able to knit monograms of the baby's date of birth and initials in the corners on a 45 degree angle.

I will CO 3 sts and inc every other row until the blanket measures 36x48" on the 2 sides that knitting on the diagonal creates, then I will decrease to create the opposite 36x48 sides coming back down to 3 sts. I need to know how many rows I need to knit to have the 36x48", so then I can decrease.

Basically, how many rows do I need to knit, increasing on odd rows, to get to 36x48"? Once I know how many rows it will take to increase to those measurements, I can decrease and get a rectangle.

I need to know how to calculate the # of rows, so I can duplicate it on the 2nd rectangle piece.

Hope that clarifies.
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Old 07-16-2008, 11:28 AM   #4
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Okay, I see, but knitting on the diagonal like that creates a triangle with 2 equal sides and one longer side, not a rectangle. But you can knit until one edge is 36", then begin decreasing on that edge and continue increasing on the other edge until it's 48", then dec on that edge too. There's no way to know how many rows that will take, it depends on your gauge. Your best bet is to measure, really. After you have the 1st one done, then count the rows it took you to get there for the 2nd one.
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Old 07-16-2008, 01:25 PM   #5
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I got ya. I need to increase on both sides until 36" on each side, then decrease on one side to maintain the 36" and keep increasing on the other side to get to 48".

I was hoping that there was some sort of formula to calculate the measurement. I guess I will have to keep track of the rows I do and measure to get 36x48".

Thanks for all of your help.
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Old 07-16-2008, 04:41 PM   #6
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There ya go - you got it!
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