OhMyCalc

Waste Reduction Calculator

Measure waste reduction percentage, waste per unit, and cost savings from lean improvements.

How to Use the Waste Reduction Calculator

  1. Enter waste before and after improvement in kg.
  2. Enter total production units.
  3. Enter waste cost per kg and click Calculate.

使用场景

公式

Formula: Reduction% = (Before − After) / Before × 100. Waste/Unit = After Waste / Production Units. Cost Savings = (Before − After) × Cost/kg.

常见问题

What types of waste can this calculate?
Any measurable waste in kg: material scrap, rejected parts, overproduction waste, or packaging waste.
How do I find waste cost per kg?
Use the raw material price per kg or the total disposal/treatment cost per kg of waste generated.
What reduction percentage is a good target?
Lean targets typically aim for 20–50% waste reduction per improvement cycle. World-class operations target near-zero waste.