Perishable Wastage Cost Calculator
Find the true cost of every item you sell after spoilage and wastage eat their share. Enter what you bought, what spoiled, and what actually sold — the tool shows what was lost and the price you need to protect your margin.
Pricing to protect your margin
What if wastage changed?
Move the slider to see how a different wastage rate changes the true cost per sold unit, keeping your purchase cost and target margin the same.
How to use
- Enter the quantity you purchased, the total cost, how much spoiled, and how much actually sold.
- Enter your target margin to see the selling price you need per unit.
- Use the what-if slider to see how small changes in wastage move your true cost.
Note: True cost per sold unit = total purchase cost / quantity sold. This is an estimate — it does not include rent, labor or transport costs.
Tips
- Order smaller quantities more often for highly perishable items — freshness beats bulk discounts.
- Track wastage daily for one week; most shops are surprised by how high the real rate is.
- Price from the true cost, not the purchase price — otherwise wastage quietly erases your profit.
Frequently Asked Questions (FAQ)
What inputs does the wastage cost calculator need?
Quantity purchased, total purchase cost, quantity wasted or spoiled, quantity actually sold, and your target margin percent on the selling price.
What is the true cost per unit after wastage?
Your total purchase cost divided by the units you actually sold — the spoiled units quietly push this number up.
How much money am I losing to spoilage?
The tool shows the total money lost to wastage and your wastage rate as a percent of what you bought.
How does it help me set a selling price?
The pricing to protect your margin section shows the price you need to charge to keep your target margin after wastage is counted.
Can I test what happens if wastage changes?
Yes. The What if wastage changed? section compares scenarios, so you can see how reducing spoilage improves your margin.