Why include returns as loss if Amazon refunds some fees?

Amazon refunds referral fee proportionally for many categories but not fulfillment fee, and return processing may damage unit. This calculator models full revenue loss as conservative worst case. If your category gets 80% referral refund on returns, reduce returns rate input by 20% or subtract expected refund from storage field as negative cost for approximation. Better to be conservative and beat forecast.

How do I find FBA fulfillment fee per unit?

In Seller Central go to Revenue Calculator, enter product dimensions and weight, select FBA, and copy the Fulfillment fee. Small standard often $3.22 to $5.69, large standard $6 to $10+, oversize higher. Use your exact size tier for accuracy. Update this when Amazon adjusts fee schedule in Q1 each year.

What storage fee should I use?

Go to FBA Inventory > Inventory Age or FBA fees preview. Amazon charges per cubic foot per month, varies Q1-Q3 vs Q4 peak. For small kitchen gadget case 150 units at 0.1 cu ft each = 15 cu ft × $0.87 = ~$13 in Q2 but $2.40 in Q4 = $36. Add $20-$50 safety buffer. Put total monthly storage dollars, not per-unit, in storage field.

What is a good effective fee rate for FBA?

For private label small standard $20-$40 price, effective Amazon fee rate referral plus FBA plus storage typically 25-35% of gross revenue. Below 25% you likely have light small product or low referral category. Above 40% you need higher price or smaller packaging to drop fulfillment tier.

Should I include product cost in profit?

This calculator shows profit after Amazon fees, advertising, and returns only — gross profit before COGS — to isolate channel economics. To get true net, subtract product cost times units sold from monthly profit. Example: if monthly profit after fees and ads is $1200 and product cost $8 ×150 = $1200, you break even on true net before overhead.

Amazon FBA Revenue Calculator

Amazon FBA revenue forecasting needs monthly units sold, fulfillment fee per unit, referral percent, storage cost, ad spend that month, and your expected return rate. Many new FBA sellers forecast gross revenue only and forget referral fees scale with price, FBA fees apply per shipped unit even on returns, and storage adds each month inventory sits. This calculator turns selling price and velocity into gross monthly revenue, total Amazon fee buckets, loss from returns, net revenue after fees and returns, and estimated monthly profit.

Instant calculations · Editable fee assumptions · Export-ready results

Inputs

Values update results instantly. Adjust fee assumptions to match your seller dashboard.

Currency

Revenue

Selling price per unit

USD

Amazon listing price.

Monthly units sold (shipped)

Expected FBA units shipped per month including returns that later return.

Amazon fees

FBA fulfillment fee per unit

USD

Pick, pack, weight handling — from fee schedule for your size tier.

Referral fee %

Category referral percent.

Monthly storage fees total

USD

FBA monthly storage for all units in Amazon warehouse this month.

Advertising & returns

Monthly advertising spend (PPC)

USD

Amazon PPC and DSP spend for the month.

Returns rate %

Percent of shipped units expected to be returned.

Results

Live estimates based on your inputs and editable fee assumptions.

Gross monthly revenue

$4,948.50

Price times monthly units.

Total referral fees

$742.28

Referral percent times gross revenue.

Total FBA fulfillment fees

$780.00

Fulfillment per unit times units.

Total Amazon fees (referral + FBA + storage)

$1,597.28

All Amazon fees summed.

Advertising spend

$600.00

PPC spend entered.

Estimated loss from returns

$197.94

Revenue lost to returns.

Net revenue after Amazon fees and returns

$3,153.29

Gross minus all fees and return loss.

Monthly profit after fees, ads, and returns

$2,553.29

Net after fees and returns minus advertising spend.

Effective Amazon fee rate

32.3%

Total Amazon fees divided by gross revenue.

What this means

FBA forecast: $4948.50 gross on 150 units, Amazon fees $1597.28 (referral $742.27 + FBA $780.00 + storage $75.00), returns loss $197.94. Net after fees and returns $3153.28, profit after $600.00 ads = $2553.28.

FBA monthly revenue split

Interactive breakdown of fees, costs, and remaining profit.

Distribution

Referral
$742.28
15.0%
FBA fulfillment
$780.00
15.8%
Storage
$75.00
1.5%
Ads
$600.00
12.1%
Returns loss
$197.94
4.0%
Monthly profit
$2,553.29
51.6%

Total $4,948.50 · 6 segments · interactive

Line-item breakdown

Dollar amounts, share of revenue, and visual proportion.

Gross revenue: $4,948.50
Referral total: $742.28
FBA fulfillment total: $780.00
Storage monthly: $75.00
Total Amazon fees: $1,597.28
Returns loss: $197.94
Net after fees + returns: $3,153.29
Ad spend: $600.00
Monthly profit after ads: $2,553.29
Effective Amazon fee rate: 32.3%

Assumptions used

• Gross $4948.50 = $32.99 × 150
• Referral 15.0% = $742.27
• FBA $5.20 × 150 = $780.00
• Storage $75.00 returns loss 4.0% $197.94

Share or export this calculation

Copy your numbers, save as PDF, or share with your team and seller communities.

Keep exploring

Continue with related tools

These calculators pair well with Amazon FBA Revenue and help you get a complete picture.

All tools

You might also need

Amazon FBA

Estimate Amazon referral fees, FBA fulfillment, storage, and prep costs to see true profit per unit before you source inventory.

You might also need

Amazon Profit

Calculate overall Amazon product profitability with referral, FBA fees, product costs, storage, and PPC per order.

Want to set the right price?

Amazon Pricing

Set Amazon prices that hit your target margin after referral fees, FBA or FBM fulfillment, shipping to Amazon, and packaging.

Project your revenue

Revenue

Project gross, net, and recurring revenue from price, volume, refunds, fees, and subscriptions.

Browse all calculators →

Stay ahead

Get more free tools like this

We'll send you new calculators, tips, and updates. No spam, unsubscribe anytime.

Amazon FBA Revenue Calculator

Generated 7/30/2026, 5:49:11 AM · Currency USD

Inputs

Selling price per unit: 32.99
Monthly units sold (shipped): 150
FBA fulfillment fee per unit: 5.2
Referral fee %: 15
Monthly storage fees total: 75
Monthly advertising spend (PPC): 600
Returns rate %: 4

Results

Gross revenue: $4,948.50
Referral total: $742.28
FBA fulfillment total: $780.00
Storage monthly: $75.00
Total Amazon fees: $1,597.28
Returns loss: $197.94
Net after fees + returns: $3,153.29
Ad spend: $600.00
Monthly profit after ads: $2,553.29
Effective Amazon fee rate: 32.3%

Interpretation

How it works

Methodology & formulas

This calculator is transparent by design. Review the steps and formulas so you can trust the estimate and adjust assumptions when your dashboard differs.

Calculation steps

1GrossRevenue = sellingPrice × monthlyUnitsSold.
2TotalReferral = gross × referralPercent.
3TotalFBA = fbaPerUnit × monthlyUnits.
4TotalAmazonFees = referral + fba + storageMonthly.
5ReturnLoss = gross × returnsRate.
6NetRevenueAfterFeesAndReturns = gross - totalAmazonFees - returnLoss.
7MonthlyProfit = netRevenue - advertisingSpend.
8EffectiveFeeRate = totalAmazonFees / gross ×100.

Formulas

Gross = price × units
ReferralTotal = gross × referral%
FBATotal = fbaPerUnit × units
AmazonFees = referralTotal + FBA + storage
ReturnLoss = gross × returnsRate%
NetAfterFeesReturns = gross - AmazonFees - returnLoss
MonthlyProfit = netAfter - adSpend

Important assumptions

Gross monthly revenue = sellingPrice × monthlyUnitsSold.
Total referral = gross × referralPercent.
Total FBA fulfillment = fbaPerUnit × monthlyUnitsSold, applies even if some later return because Amazon still charged fulfillment.
Total Amazon fees = referral + FBA fulfillment + monthly storage.
Return loss = gross × returnsRate percent — modeled as refunds on entire sale price, not including fee refunds.
Net revenue after Amazon fees and returns = gross − totalAmazonFees − returnLoss.
Monthly profit = netRevenueAfterReturns − advertisingSpend.
Fee refunds on returns not modeled because policy varies by category and time; this is conservative.

Worked example

150 units a month at $32.99

$32.99 price, 150 units monthly, $5.20 FBA per unit, referral 15%, storage $75, ads $600, returns 4%.

Gross $4948.50 (32.99×150). Referral $742.28 (15%), FBA $780 (5.20×150), storage $75 total Amazon $1597.28. Return loss $197.94 (4%). Net after fees and returns $3153.28 (4948.50-1597.28-197.94). Monthly profit after ads $2553.28 (3153.28-600). Effective fee rate 32.3%. True net after $8 product cost ×150 = $1353.28.

FAQ

Common questions

Related tools

Continue planning

Browse all

Amazon

Amazon FBA Fee Calculator

Estimate Amazon referral fees, FBA fulfillment, storage, and prep costs to see true profit per unit before you source inventory.

Amazon Profit Calculator

Calculate overall Amazon product profitability with referral, FBA fees, product costs, storage, and PPC per order.

Amazon Pricing Calculator

Set Amazon prices that hit your target margin after referral fees, FBA or FBM fulfillment, shipping to Amazon, and packaging.

Revenue Calculator

Project gross, net, and recurring revenue from price, volume, refunds, fees, and subscriptions.

Live

~1 min

Open Calculator →

Future recommendations

Tools worth comparing later

This section is reserved for editorial affiliate recommendations. Nothing here is a live endorsement or paid placement yet.

Placeholder only

Accounting

Bookkeeping software for product sellers

Track fees, COGS, and payouts in one place.

Link coming later

Email marketing for repeat buyers

Useful after you have a list and offer flow.

Link coming later

Print on demand

POD partners and mockup tools

Compare base costs before you launch designs.

Link coming later

Platform roadmap

Explore More Seller Tools

We are building a complete business decision platform. These planning and forecasting tools are coming next — each will reuse the same transparent, seller-focused framework.

8 tools coming soon

Profit Planner

Set monthly income goals and work backward to required sales, pricing, and margin targets.

Coming soonQ3–Q4 2026

Inventory Planner

Calculate reorder points, inventory investment, and stockout risk before you place POs.

Coming soonQ3–Q4 2026

Pricing Optimizer

Test pricing scenarios to find the sweet spot between conversion and profit per order.

Coming soonQ3–Q4 2026

ROI Planner

Model return on ads, influencer campaigns, and marketplace promotions.

Coming soonQ3–Q4 2026

Business Goal Planner

Turn annual revenue goals into daily sales targets, listing counts, and traffic needs.

Coming soonQ3–Q4 2026

Sales Forecast

Project next quarter revenue from current average order value and growth assumptions.

Coming soonQ3–Q4 2026

Pricing Strategy Tool

Compare charm pricing, premium pricing, and anchor strategies on the same product.

Coming soonQ3–Q4 2026

Product Launch Calculator

Budget a new product launch including samples, fees, ads, and break-even timeline.

Coming soonQ3–Q4 2026

Built for sellers who want one trusted place for profit, pricing, and planning — not scattered spreadsheets.