amzscout fba calculator

Estimate your profit, margin, ROI, and break-even price before you source your next product.

Sale Price ($)

Estimated Units / Month

Product Cost (COGS) per Unit ($)

Inbound Shipping to Amazon per Unit ($)

Prep/Packaging per Unit ($)

Amazon Referral Fee (%)

FBA Fulfillment Fee per Unit ($)

Monthly Storage Fee per Unit ($)

Closing/Variable Fee per Unit ($)

PPC/Ad Spend per Unit ($)

Other Cost per Unit ($)

Enter your numbers and click Calculate FBA Profit.

This is an estimate tool for planning. Final fees may vary by category, dimensions, and Amazon policy changes.

How to Use an AMZScout FBA Calculator to Make Better Product Decisions

If you sell on Amazon, one wrong assumption can erase your profit. The AMZScout FBA calculator helps you estimate real unit economics before you place inventory orders. Instead of looking only at the selling price, you can model referral fees, fulfillment fees, inbound freight, storage, advertising, and your landed product cost.

When used correctly, a calculator like this becomes your “go/no-go” filter. It keeps you from sourcing products that look good at first glance but perform poorly once all fees are included.

What This Calculator Estimates

The calculator above gives you a fast snapshot of your product’s financial performance:

Net Profit per Unit – how much you keep after all listed costs.
Profit Margin – your percentage of revenue that remains as profit.
ROI – return on your landed inventory investment.
Break-even Price – the minimum selling price needed to avoid a loss.
Monthly Revenue and Profit – estimated scale based on expected sales volume.

Inputs You Should Get Right First

1) Product Cost (COGS)

Your COGS is usually your biggest controllable expense. Be precise with supplier quotes and include packaging if it is billed separately.

2) Inbound Shipping and Prep

Many new sellers underestimate this category. Add ocean/air freight, domestic transport, and prep center fees per unit to avoid inflated margins.

3) Referral Fee Percentage

Amazon referral fee rates vary by category. If you guess low, profit projections can be misleading. Confirm your category rate before making final decisions.

4) FBA Fulfillment + Storage

These fees depend heavily on size tier and weight. Small dimensional changes can shift your fee tier and impact profitability at scale.

5) PPC Cost Per Unit

Advertising is often the hidden margin killer. If your launch strategy relies on aggressive PPC, include realistic ad spend assumptions from day one.

Simple Framework for Product Validation

Before sourcing, run each product idea through this checklist:

Can I maintain at least a healthy net margin after PPC?
Does ROI justify inventory risk and cash tied up in stock?
Is break-even far enough below the expected market price?
Can I remain profitable if price drops 10–15%?
Can I still win if ad costs rise during peak competition?

If any of these answers are weak, keep researching. A good listing can still fail if the economics are fragile.

Example: Quick Profit Reality Check

Imagine a product selling at $29.99. You source it for $7.50, pay $0.90 inbound shipping, $0.60 prep, $4.75 FBA fulfillment, 15% referral fee, and around $2.40 in PPC per sale. At first glance, this might still look attractive. But when every cost line is included, your margin may be tighter than expected.

That is exactly why the AMZScout FBA calculator matters: it gives you a realistic view before you commit to MOQ, freight, and launch spend.

Common Mistakes Sellers Make with FBA Profit Calculations

Ignoring returns and refunds when estimating net outcomes.
Overestimating sale price stability in competitive niches.
Underestimating storage costs for slower-moving inventory.
Skipping scenario planning for Q4 fee changes or price wars.
Confusing revenue with profit and scaling too early.

How to Improve Profit Without Raising Price

Negotiate Supplier Terms

Even small COGS reductions can significantly improve ROI when repeated across thousands of units.

Optimize Packaging Dimensions

Right-sizing your package can lower fulfillment and storage costs and may move your ASIN into a better fee bracket.

Reduce Ad Waste

Better keyword segmentation, negatives, and listing conversion improvements can lower PPC cost per conversion.

Increase Inventory Efficiency

Faster turns reduce long-term storage pressure and improve cash flow, which is just as important as gross margin.

Final Thoughts

The best Amazon sellers treat calculators as decision tools, not one-time checks. Recalculate whenever supplier costs, ad performance, pricing, or Amazon fees change. If you build this discipline into your workflow, you will avoid expensive product mistakes and scale with stronger confidence.

Use the calculator above regularly while sourcing. It is one of the fastest ways to protect margin, improve forecasts, and choose products with durable profitability.