Profit margin & pricing calculator

Know your
numbers.
Keep your profit.

Built for resellers and dropshippers who are tired of guessing. Calculate real margins across every platform — before you list, not after.

eBay Poshmark Mercari Depop Etsy Shopify Amazon + more

No spam. No fluff. Just early access when we launch.

✓ You're on the list. We'll hit you when it's ready.

Real-time margin calc ✦ Platform fee breakdowns ✦ Pricing suggestions ✦ Shipping cost builder ✦ Multi-platform compare ✦ Dropship markup tools ✦ eBay · Poshmark · Mercari ✦ Real-time margin calc ✦ Platform fee breakdowns ✦ Pricing suggestions ✦ Shipping cost builder ✦ Multi-platform compare ✦ Dropship markup tools ✦ eBay · Poshmark · Mercari ✦

What Staxxly does

⚡
Instant Margin Math

Enter your cost, selling price, and platform — get your net profit and margin percentage in real time. No spreadsheet needed.

🧮
Platform Fee Engine

We know eBay's final value fees, Poshmark's flat 20%, Mercari's 10%, Etsy's 6.5% + listing, and more — all baked in.

📦
Shipping Cost Builder

Add shipping costs to the calculation. Know if free shipping is eating your margin before you offer it.

🔀
Multi-Platform Compare

See which platform keeps the most money in your pocket for the same item, side by side.

🎯
Price-to-Margin Targeting

Set your target margin and Staxxly tells you the minimum price to list at. Work backwards from profit.

📊
Dropship Markup Tools

Built for dropshippers. Set your supplier cost and target markup. Get a suggested retail price instantly.

Pricing

Free

$0

forever

  • Single platform calculator
  • Basic margin math
  • 3 saved calculations
  • Mobile-friendly
Best Value

Pro Monthly

$12

per month

  • All platforms unlocked
  • Multi-platform compare
  • Unlimited saved calculations
  • Shipping cost builder
  • Price-to-margin targeting
  • CSV export

Pro Annual

$79

per year — save $65

  • Everything in Pro Monthly
  • Priority feature requests
  • Early access to new tools
  • Founder badge in-app