Calculating buyer’s premiums at Christie’s or Sotheby’s can be tricky. Reverse engineering those numbers to find gavel price from final invoice, even more so.

This is a very simple tool to clarify final cost and value of acquisitions from Christie’s or Sotheby’s auction houses.

This calculator provides two primary functions: 1) The final purchase price from the gavel price, including wine auctions and 2) Reverse calculate the gavel price from final purchase price, including wine auctions.

Final calculations can be exported and saved to device as an editable spreadsheet.

This fee calculator is intended for informational use only and doesn't include all potential applicable fees. By using this fee calculator, you acknowledge that artauctioncalculator.com is making no representations or guarantees regarding actual fee and sales amounts and that the results are best estimates only. If an error or discrepancy is found, please report to us at your earliest convenience