Size of an Unfolded Sheet

These formulae are used to calculate the measurements of a sheet before folding, the point of reference being the measurements of the folded sheet.

Guiding calculation of the measurements of a sheet:
Before folding bend 1

Guiding calculation of the measurements of a sheet:
Before folding bend 2

Guiding calculation of the measurements of a sheet:
Before folding bend 3

Guiding calculation of the measurements of a sheet:
Before folding bend 4

Reservations

Please note that these are a guide only. We cannot be held responsible for any mistakes in the results of the calculations made on this page, for example errors made when entering values or errors in the formulae themselves.

Enter the length of L1 in mm:	L1
Enter the length of L2 in mm:	L2
Enter the addition per bend in mm (see box):	A

Enter the length of L1 in mm:	L1
Enter the length of L2 in mm:	L2
Enter the length of L3 in mm:	L3
Enter the addition per bend in mm (see box):	A

Enter the length of L1 in mm:	L1
Enter the length of L2 in mm:	L2
Enter the length of L3 in mm:	L3
Enter the length of L4 in mm:	L4
Enter the addition per bend in mm (see box):	A

Enter the length of L1 in mm:	L1
Enter the length of L2 in mm:	L2
Enter the length of L3 in mm:	L3
Enter the length of L4 in mm:	L4
Enter the length of L5 in mm:	L5
Enter the addition per bend in mm (see box):	A

Guiding calculation of the measurements of a sheet: Before folding bend 1

Guiding calculation of the measurements of a sheet: Before folding bend 2

Guiding calculation of the measurements of a sheet: Before folding bend 3

Guiding calculation of the measurements of a sheet: Before folding bend 4

Reservations

Guiding calculation of the measurements of a sheet:
Before folding bend 1

Guiding calculation of the measurements of a sheet:
Before folding bend 2

Guiding calculation of the measurements of a sheet:
Before folding bend 3

Guiding calculation of the measurements of a sheet:
Before folding bend 4