💵 Interest Calculator — Calculate Simple Interest Easily

Use this free Interest Calculator to quickly calculate how much interest you’ll earn or owe based on the principal amount, annual interest rate, and time period (in years). Whether you're saving money, lending, or borrowing, this tool gives you a fast and accurate interest calculation.

Ideal for basic financial planning, personal loans, savings estimates, or educational use — no complex formulas required.

Features:

• Instantly calculate simple interest

• User-friendly and easy to understand

• Great for students, savers, and loan comparisons

• 100% free — no login or registration needed

Understand how interest adds up over time with our fast and reliable Interest Calculator.