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How to Calculate the Fee and Total on a Purchase Abroad Percentage of a number

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I made a $ purchase abroad and my card charges a % foreign transaction fee…
How much extra will I pay, and what's the total?

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Answer: You will pay $7.50 extra, for a total of $ .

Type of calculation: Finding a percentage value of a number (the fee), then adding it to the purchase.
How to use the calculator: Use the Basic Percentage Calculator ("What is A% of B?"). Enter 3 [A] and $250 [B] to get the fee, then add it to the purchase.
The formula:
Fee = (Fee rate / 100) × Purchase amount
Fee = (3 / 100) × $250 = 0.03 × $250 = $7.50
Total = $250 + $7.50 = $257.50
For informational purposes only.

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App updated: August 2026