1 Your Stamp Inventory $0.00

Enter the quantity of each stamp type you have available.

Note: Forever stamps are currently 73¢ and will increase to 78¢ on July 13, 2025.

2 Target Postage Amount

Enter amount in dollars (1.99) or cents (99 cents)

3Solutions

Enter your stamp inventory and target amount, then click Calculate to see optimal combinations.

Quick Stats

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Total
Stamps
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Types
$0.00
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How It Works

This calculator helps you find the best combination of stamps to reach your target postage amount with minimal waste.

Perfect for: Small business owners, crafters, online sellers, and anyone who mails items regularly without a postage machine.