Buyer's Premium Calculator
Christie's · Sotheby's · Phillips
Enter multiple amounts separated by commas, spaces, or new lines. Press Ctrl+Enter to calculate.
Increment Helper
See how the buyer's premium changes over a series of price increments.
Current Premium Rates
Christie's
- 27% up to threshold 1
- 22% threshold 1 → 2
- 15% above threshold 2
Effective 1 September 2025
View official rates →Sotheby's
- 28% up to threshold 1
- 22% threshold 1 → 2
- 15% above threshold 2
Rates as of 13 February 2026
View official rates (PDF) →Phillips
- Standard: 29% / 22% / 15%
- Priority: 25% / 20% / 14%
Priority Bidding: live auctions only
View official rates (PDF) →Last updated: February 2026 · Always verify with official sources before transactions