1. GKS User Guide
  2. For Example
  3. Private Slipover with Formulas
  4. Edit Geometry
  5. Create Formulas
  6. Create a Formula for the Width of the Armhole Cuffs

Create a Formula for the Width of the Armhole Cuffs

How to calculate the width of the armhole cuffs:

The width of the armhole cuffs are calculated doubling the sum of length of the following armhole segments:


[Width of the Armhole Cuff] = 2*(x+y)

  • Calculation of x :
     x is calculated according to the theorem of Pythagoras.

    x² = a²+b²
    x = √(a²+b²)


a = ([ Body Width at the Waistband ]-[ Shoulder Width ])/2
b = [ Height of the Armhole Narrowing ]
x = √((([ Body Width at the Waistband ]-[ Shoulder Width ])/2)²+[ Height of the Armhole Narrowing ]²)

  • Calculation of y

    y = [ Armhole Drop ]–[ Height of the Armhole Narrowing ]

Formula for the width of the armhole cuffs:

The final formula for the width of the armhole cuffs results replacing the calculation of x and y in the original formula.
[Width of the armhole cuffs] = 2*(√((([Body Width at the Waistband]-[Shoulder Width])/2)²+[Height of the Armhole Narrowing]²)+[Armhole Drop]–[Height of the Armhole Narrowing])

How to create the formula:

  • The Dimensions tool window is open.
  1. Open the context menu of the Row No. column of the Formula table.
  1. Select Add Main Row.
  • The pop-up window Formula Editor appears.
  1. Enter the text Width of Armhole Cuffs as label.
  1. Click the 2 and * buttons.
  • The entry in the Calculation field is: 2*
  1. Click the () button.
  • The entry in the Calculation field is:
    2*()
  1. Click the √() button.
  • The entry in the Calculation field is:
    2*(Sqrt())
  1. Click the ()² button.
  • The entry in the Calculation field is:
    2*(Sqrt(Pow(,2)))
  1. Click the () button.
  1. The entry in the Calculation field is:
    2*(Sqrt(Pow((),2)))
  1. Select the Body Width at the Waistband dimension in the list box.
  • The entry in the Calculation field is:
    2*(Sqrt(Pow(([Body Width at the Waistband]),2)))
  1. Click the - key.
  • The entry in the Calculation field is:
    2*(Sqrt(Pow(([Body Width at the Waistband]-),2)))
  1. Select the Shoulder Width dimension in the list box.
  • The entry in the Calculation field is:
    2*(Sqrt(Pow(([Body Width at the Waistband]-[Shoulder Width]),2)))
  1. Click the → button.
  • The cursor in the Calculation field is positioned before the , (comma).
  1. Click the / and 2 buttons.
  • The entry in the Calculation field is:
    2*(Sqrt(Pow(([Body Width at the Waistband]-[Shoulder Width])/2,2)))
  1. Click the → button three times.
  • The cursor in the Calculation field is positioned before the second-last ).
  1. Click the + and ()² keys.
  • The entry in the Calculation field is:
    2*(Sqrt(Pow(([Body Width at the Waistband]-[Shoulder Width])/2,2)+Pow(,2)))
  1. Select the Height of the Armhole Narrowing dimension in the list box.
  • The entry in the Calculation field is:
    2*(Sqrt(Pow(([Body Width at the Waistband]-[Shoulder Width])/2,2)+Pow([Height of the Armhole Narrowing],2)))
  1. Click the → button four times.
  • The cursor in the Calculation field is positioned before the last ).
  1. Click the + button.
  1. Select the Armhole Drop dimension in the list box.
  • The entry in the Calculation field is:
    2*(Sqrt(Pow(([Body Width at the Waistband]-[Shoulder Width])/2,2)+Pow([Height of the Armhole Narrowing],2))+[Armhole Drop])
  1. Click the - key.
  1. Select the Height of the Armhole Narrowing dimension in the list box.
  1. The entry in the Calculation field is:
    2*(Sqrt(Pow(([Body Width at the Waistband]-[Shoulder Width])/2,2)+Pow([Height of the Armhole Narrowing],2))+[Armhole Drop]-[Height of the Armhole Narrowing])
  1. Confirm with .
  • The Formula Editor closes.
  • A row with the Width of the Armhole Cuffs formula is added at the bottom of the Formula table.
Additional Information