Fabric Cnsumption Calculation Formula For Pant

There are two ways to calculate the fabric consumption:
1. Mathematical
2. By using Marker planning (Its best for accurate calculation).
I am explaining here the Mathematical one:

To do this you have to have sample in your hand. I have one in my hand now and
That has below sizes:

Waist = 32″
Hip = 44″
Thigh = 26″
Bottom = 18″
Length = 42″

We have to add sewing allowance with that and it should be 2″

Here goes the general formula:

Width =(Waist+Hip)/2 + (Thigh+Bottom)/2
=(32″+44″)/2 + (26″+18″)/2
=60″

Length = 42″

So total requirement is = Length X Width
= 42″ X 60″
= 2520 sqr inch
Let’s assume the width of the fabric role is 56″

so, 2520″/56″ = 45″
= 45″/36″
= 1.25 yrds ( 1 Yrd= 36″)

So per doz. it will take = (1.25 X 12)+ 3% = 15.45 Yrds.