Practical auction tools

Set the ceiling before the countdown changes your mind.

This calculator runs entirely in your browser. It does not place a bid or store the amounts you enter.

All-in maximum calculator

Defensible ceiling

$720

Estimated maximum hammer bid for a $1000 all-in budget. Estimated total: $1000.00.

Confirm the auction's taxable base, premium, fees, shipping, and currency before bidding.