Take the guesswork out of auctions with the Auction Calculator app. Whether you’re a collector, reseller, or casual bidder, this tool helps you calculate your total costs in seconds.

💡 Key Features:

📊 Bid Calculation – Enter hammer price, buyer’s premium %, shipping, and fees.

💵 Accurate Totals – Instantly see your final cost before placing a bid.

🔄 Customizable Fields – Adjust premiums, taxes, and credit card fees to match the auction house.

🖥️ Simple, Clean Design – Easy-to-use interface with no clutter.

⚡ Fast & Reliable – Get results instantly, no internet required.

Perfect for:
✔️ Auction bidders
✔️ Antique and coin collectors
✔️ Dealers and resellers
✔️ Anyone tracking auction costs

Stay one step ahead in every auction—know your true costs before you bid.

Free for auctions in the US. $3.99 to track foreign auctions. Includes real-time foreign exchange data, and allows US tariff calculations.