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Calcimator

Leather Hide Calculator

Calculate how many square feet of leather hide you need from your pattern pieces. Accounts for waste factor and hide size to estimate hides to purchase.

Inputs

sq in
%
sq ft

Results

Total Sq Ft Needed

1.15 sq ft

≈ 2 sheets of paper

Hides to Purchase

1

Total Hide Area20 sq ft
Usable Area After Waste17 sq ft
Utilization Rate5%
How to Use This Calculator
  1. Enter the total surface area required for your project in square feet.
  2. Add a waste factor (15-20%) for irregular hide shape and unusable belly or leg areas.
  3. Review the minimum hide size in square feet to purchase.
  4. Lay out your pattern pieces on paper to optimize yield before cutting.
  5. If purchasing multiple hides, choose pieces from the same tannage batch for color consistency.

How the result changes with Total Pattern Area

Total Pattern AreaTotal Sq Ft NeededHides to Purchase
5,00139.94 sq ft2
17,501139.76 sq ft7
32,500259.55 sq ft13
45,000359.38 sq ft18

What each input means

Total Pattern Area
Sum of all pattern piece areas in square inches
Waste Factor
Percentage for irregular edges, defects, and cutting waste (10-20% typical)
Hide Size
Average usable area per hide (sides ~12-15 sqft, full hides ~20-25 sqft)

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    Total Pattern Area = 144, Waste Factor = 15, Hide Size = 20 = 3 input(s) provided
  2. Calculate Total Sq Ft Needed
    Total Sq Ft Needed
    1.15 = 1.15
  3. Calculate Hides to Purchase
    Hides to Purchase
    1 = 1
  4. Calculate Total Hide Area
    Total Hide Area
    20 = 20
  5. Calculate Usable Area After Waste
    Usable Area After Waste
    17 = 17

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