Tools for online sellers
Seller Calculators for Fees, Profit, Pricing, and Platform Decisions
Seller Calculators helps online sellers make better financial decisions before they price, launch, discount, advertise, ship, or switch platforms. Run the numbers, see what you may actually keep, and understand what the result means for the decision in front of you.
Free calculators. No signup required.
Why the math looks different here
A fee total is not the same as a financial answer.
Most calculators stop once they have estimated the fees. Sellers rarely make decisions based on fees alone. Product costs, shipping, ads, discounts, payment processing, and platform charges all have opinions about the same sale.
Seller Calculators brings those numbers together, shows you what is included, and helps you understand what the result means for the decision you are trying to make.
The math should help you decide, not hand you another number to decode.
More of the real costs belong in the same calculation.
Fees matter, but so do shipping, product costs, discounts, ads, and the small expenses that quietly chip away at profit.
You can see what the calculator included.
Inputs and assumptions stay visible, so you are not asked to trust a mysterious total produced somewhere behind the curtain.
The result comes with plain-English context.
A number is more useful when you know what it suggests, what could change it, and which decision deserves a second look.
Start with the decision
What are you trying to figure out?
You do not need to know the calculator name. Choose the question that sounds most like yours, then pick the platform or payment tool involved.
What will I actually keep?
Bring fees and costs into the same calculation so the sale price does not get mistaken for profit.
What fees will I pay?
Estimate the platform or payment fees before a small percentage becomes a surprisingly real amount of money.
What price do I need?
Work backward from the profit or payout you want instead of choosing a price and hoping the rest of the math behaves.
Would another platform cost less?
Compare fixed costs, transaction fees, profit, and sales volume before a platform move becomes an expensive reaction.
Explore by platform
Where do you sell?
Start with the platform you use now, or the one you are seriously considering. Browsing all forty-seven tabs you have open is still technically a method, but this is faster.
Selling on Etsy?
Before you put more time or money into a product, check the profit room.
A product idea can be good while the price still needs work. Etsy Launch Check brings fees, product costs, shipping, discounts, Etsy Ads, and Offsite Ads into the same pre-launch test.
The free calculator shows the math. If you want help understanding it, the optional report explains where profit looks healthy, where it gets tight, and what may be worth adjusting before you list.
A red flag is not failure. It is useful information caught early.
Free calculator. Optional plain-English report is $12.
Built with sellers, not merely aimed at them
Help us build what sellers actually need.
Tell us where pricing, fees, shipping, ads, and platform decisions get difficult. Your experience helps shape the calculators and tools we build next, and you can join the early tester list if you want to try them before they are released.
Clear enough to check
You should be able to see where the number came from.
Financial tools are more useful when their assumptions are visible and their limits are honest. Seller Calculators is built to show the inputs behind the estimate, not ask you to accept a polished total on faith.
Fees and assumptions are reviewed.
Key pages include a last-verified date so you can see when the underlying fee structure was checked.
The calculation shows its work.
Inputs, costs, and included fees stay visible so you can adjust the scenario when your numbers change.
Estimates are treated as estimates.
The tools support a decision. They do not promise sales, demand, or perfectly behaved platform fees.
Your next number
What financial decision are you trying to make?
Start with the question in front of you. The right calculator should make the next decision clearer, not give you a new pile of math to sort through.