Simple Interest Formula:
From: | To: |
Simple interest is a straightforward method of calculating the interest charge on a loan or savings based on the original principal amount. It's commonly used for short-term loans and simple savings calculations.
The calculator uses the simple interest formula:
Where:
Explanation: The formula calculates the interest earned or paid based on the original principal amount without compounding.
Details: Understanding interest calculations helps individuals make informed financial decisions, compare savings account options, and plan for future financial goals.
Tips: Enter the principal amount in currency, annual interest rate as a decimal (e.g., 0.05 for 5%), and time in years. All values must be positive numbers.
Q1: What's the difference between simple and compound interest?
A: Simple interest is calculated only on the principal amount, while compound interest is calculated on both the principal and accumulated interest.
Q2: How do I convert percentage to decimal for interest rate?
A: Divide the percentage by 100. For example, 5% becomes 0.05 as a decimal.
Q3: Can I use this for monthly calculations?
A: Yes, but convert time to years. For 6 months, use 0.5 years; for 18 months, use 1.5 years.
Q4: Is this calculator suitable for loan interest?
A: Yes, it works for both savings interest earned and loan interest paid, as long as it's simple interest.
Q5: What are typical interest rates for savings accounts?
A: Savings account rates vary but typically range from 0.01% to 2% annually, depending on the financial institution and economic conditions.