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Percentage of a number

How to Calculate Annual Interest Amount

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My loan has a % annual interest rate, and the loan amount is $ ...
How much will the interest be after a year?

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Answer: The interest I'll owe after one year is $ .

Type of calculation: Calculating a percentage of a number (interest amount).
How to use the calculator: Use the Basic Percentage CALCULATOR ("What is X% of Y?"). Enter 10 [X] and $5000 [Y]. It will calculate 10% of $5000.
The formula:
We want to find 10% of $5000.
Formula: (Percentage / 100) × Loan amount
Interest = (10 / 100) × $5000 = 0.1 × $5000 = $500