Know your limit before you bid.
Max Bid is a free maximum bid calculator for resellers. Estimate your sale price, include every cost, protect your target profit, and find the highest price you can pay for an item.
How to calculate your maximum bid
Maximum bid = expected sale price − auction commission − platform fee − shipping −
packaging − target profit
Enable JavaScript to use the interactive calculator and see your recommended bid and profit breakdown.
Max Bid calculator FAQ
What is a maximum bid calculator?
It subtracts selling costs and your target profit from the expected resale price to show the highest purchase price that still meets your margin goal.
What costs should I include when calculating an auction bid?
Include the auction commission, marketplace or platform fee, shipping, packaging, taxes, and any other costs that reduce the money you keep. Max Bid includes the core auction and resale costs directly in the calculator.
Does Max Bid convert currencies or use live exchange rates?
No. Currency choices change the symbol, formatting, and input locale only. Enter all values in the same currency; Max Bid does not apply an exchange rate.
Is the Max Bid recommendation financial advice?
No. Max Bid is a decision aid for resale planning, not financial, tax, legal, or marketplace-policy advice. Confirm the real costs and rules for each transaction.