Back Out Stamps

Use this calculator to reverse out SA stamp duty for non-commercial, high-value vehicles (motorhomes).

This is built specifically for:

• South Australia

• Non-commercial vehicles

• Values well over $3,000

• Backing out stamp duty from a duty-inclusive price
  
  

✅ What this calculator does

• Input: Total price (including stamp duty)

• Output:

  • Vehicle value excluding stamp duty

  • Stamp duty amount

• Uses the correct SA formula: