Selva advantage
Seller-first math
Use current US Amazon fee schedules for the categories and size tiers most private-label sellers actually care about.
Selva tool launch
Amazon FBA profit clarity before you spend another dollar.
Built for fast product validation, margin checks, and pricing decisions when spreadsheets start slowing the work down.
Estimate referral and FBA fees live as you type
Stress-test margins with COGS, shipping, and ad spend included
Spot your break-even price before launching a SKU
Free includes 5 calculations per day. Pro adds unlimited calculations, advanced analytics, and listing score history.
Profit preview
Fast checks for the numbers that make or break an SKU.
Sample margin
26.7%
Home & Kitchen
Break-even price
$23.11
Max ad spend
$5.48
The live tool uses the same structure, but with your own COGS, freight, ad costs, and FBA size profile.
Tool suite
Utility over fluff.
Selva advantage
Live scenario testing
Adjust dimensions, weight, pricing, or advertising assumptions and watch the unit economics update instantly.
Selva advantage
Bookmark-ready output
See fees, margin, ROI, break-even price, and a clean revenue split without touching a spreadsheet.
Pricing
Keep the first pass free. Upgrade when the sourcing work gets serious.
Selva starts lightweight for quick product checks, then steps into a Pro workflow once you need higher volume and more context around listing quality over time.
Free plan
$0
For quick SKU checks when you need margin clarity without committing to another tool.
5 calculations per day
Live Amazon fee breakdown
Break-even price and ROI checks
Pro plan
$19/mo
For sellers who want the calculator available all day with deeper visibility into product quality and performance.
Unlimited calculations
Advanced analytics
Listing score history