Woven Costing Format.

Consumption for Woven Bottom

Length X Width X 2 Part X Dzn / Fabric Inch in 01 Yds / Fabric Width* Supporting parts %  +Wastage %

So,

35" X 32" X 2 X 12 / 36 / 56 * 20% + 10 % (for cotton item)

Obviously, consider the measurement in Inch.

For the cotton fabric you must take 10% for wastage

For the cotton+elastane  fabric you must take 15% for wastage

Also, for supporting parts you may make consumption and add with main consumption.