Auctioneer Commission Calculator

Net proceeds from auction after commission and fees.

Hammer Price ($)

Seller Commission (%)

Buyer's Premium (%)

Lot Fee ($)

Number of Lots

Insurance (%)

Tab to move between fields

Seller Net Proceeds ($)

$4,175.00

≈ 4 smartphones

Total Buyer Pays ($)

$6,000.00

≈ 6 smartphones

Seller Commission ($)$750.00

Buyer's Premium ($)$1,000.00

Total Lot Fees ($)$25.00

Auction House Revenue ($)$1,775.00

Effective Seller Cost (%)16.5

How to Use This Calculator

Enter the hammer (final bid) price and the seller commission percentage (typically 10-25%).
Input the buyer's premium percentage (typically 15-25%), per-lot fee, and number of lots.
Set the insurance percentage if applicable.
Review seller net proceeds and the total the buyer pays (hammer + buyer's premium).
Check auction house revenue to understand total fees generated from the transaction.

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