Wallet Pattern Calculator

Calculate leather piece dimensions and total material needed for a custom wallet. Supports bifold, trifold, and cardholder styles.

Inputs

Wallet Type

Card Slots

Bill Compartment

Leather Thickness

Tab to move between fields

Results

Shell Panel Width

6.47 in

≈ 2 credit cards

Shell Panel Height

3.5 in

Total Pieces to Cut9

Total Leather Needed95.2 sq in

Total Leather Needed0.66 sq ft

How to Use This Calculator

Enter the desired number of card slots and whether a bill compartment is needed.
Set the finished wallet dimensions (width and height) in inches.
Input leather thickness for each layer (shell, liner, card pockets).
Review the pattern piece dimensions and total leather area required.
Cut pattern pieces and dry-assemble before gluing to verify fit and alignment.

How the result changes with Leather Thickness

Leather Thickness	Shell Panel Width	Shell Panel Height
1.5	6.42 in	3.5 in
2.75	6.46 in	3.5 in
4.25	6.51 in	3.5 in
5.5	6.55 in	3.5 in

What each input means

Wallet Type: 1 = Bifold, 2 = Trifold, 3 = Cardholder
Card Slots: Number of card pockets (standard credit card size)
Bill Compartment: 0 = No, 1 = Yes (US bill size compartment)
Leather Thickness: Leather weight in oz (2-4 oz typical for wallets)

How this is calculated

Worked example, using the default values

Identify Input Parameters
4 parameters
Wallet Type = 1, Card Slots = 6, Bill Compartment = 1, Leather Thickness = 3 = 4 input(s) provided
Calculate Shell Panel Width
Shell Panel Width
6.47 = 6.47
Calculate Shell Panel Height
Shell Panel Height
3.5 = 3.5
Calculate Total Pieces to Cut
9 = 9
Calculate Total Leather Needed
Total Leather Needed
95.2 = 95.2

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