Input mode Order unit Result

Material Quantity with Loss (Yield %)

Apply waste/yield and salvage rate to net quantities, then round up by order unit.

Each row shows raw → order → leftover.

View formulas

Waste or yield is used depending on input mode.

Salvage rate adjusts effective waste.

Waste input: need = net × (1 + waste × (1 - salvage))

About recommended waste (reference)

Recommended waste is a reference. It varies with pattern matching, diagonal layouts, and workmanship.

Preset values are examples and will vary by conditions.

Input mode

Extra % added to the net requirement

Layout direction constraint

Example values are editable

Display rounding

Copy format

Paper

Summary

Result

Net total --

Required (raw) --

Order quantity --

Leftover --

Material	Net required	Unit	Waste%	Salvage%	Order unit	Result	Actions

Net requirement and pack size must be in the same unit (no conversion).

This tool is a calculation aid and not a substitute for design, regulations, contracts, or safety requirements.
Preset values are examples and will vary by conditions.