Home Free Tools Raw Material Requirement Calculator — Plan Your RM Purchase Before Production
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Raw Material Requirement Calculator — Plan Your RM Purchase Before Production

Calculate exact RM needed for any production run, accounting for wastage and current stock.

Use the Calculator

Formula & How It Works

Required RM = (Target × RM/Unit) ÷ (1−Wastage%)
To Procure = Required − Current Stock

Worked Example

10,000 units, 1.2 kg/unit, 8% wastage, stock 5,000 kg, ₹45/kg → Need 13,043 kg, Procure 8,043 kg, Cost ₹5.87L

When to Use This Calculator

  • Plan RM purchase before production
  • Budget RM procurement
  • Factor wastage into cost estimates

Frequently Asked Questions

Ideal RM ÷ (1 − Wastage %) accounts for production loss.
% of input that becomes usable output. 90% yield = 10% waste.
Add safety days: Total = Production need + (Daily consumption × Safety days).

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