Dude, sheep, YES.

i like to do math.

here’s a handy trick — if you want to know how many stitches you’ll have on the needle once you’ve put the armpits on strings and put the sleeves and body on the same circular, you multiply x (where ‘x’ equals the cast-on) by 1.34.

so, {x:x=60}, 1.34(60)=80.4

round as you please.

it’s worth noting that this is by the Elizabeth Zimmerman’s percentages, and if you aren’t using those this formula will change.

i’m currently using it to check if my modified cast-on will fit the yoke charts of a standard pattern.

notes on the math behind the zip

starting point:

x - 2u + 2 (s-u) where x = co, u=held underarm stitches, s=sleeve stitches (for one sleeve)

broken down further

(x - 2u) + 2 (s-u)

(c.o. - both sets of held stitches) + 2 sleeves (stitches on sleeve - held stitches)

u = .08x (EZ’s rule for underarm stitches is 8%)

and

s= 1/3x simplified to s=.33x

using a fraction will get you a similar answer (in the case of {x:x=60} there was a difference of .4. the larger x is, the larger this gap will be.) but is generally not worth the trouble.

so, substituting all of that:

x - 2(.08x) + 2 (.33x - .08x)

and distributing:

x - .16x + (.66x - .16x)

and simplifying:

x -.16x + (.5x)

.84x + .5x

1.34x

how much fun was that?