Simple Interest Formula:
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Simple interest is a method of calculating the interest charge on a loan or savings based on the original principal amount. Unlike compound interest, simple interest doesn't accumulate on previously earned interest.
The calculator uses the simple interest formula:
Where:
Explanation: The formula calculates interest by multiplying the principal amount by the interest rate and the time period.
Details: Understanding simple interest helps in financial planning, comparing investment options, and calculating loan costs. It's particularly useful for short-term investments and loans.
Tips: Enter savings amount in USD, interest rate in decimal form (e.g., 0.05 for 5%), and time period 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 the principal plus accumulated interest.
Q2: When is simple interest typically used?
A: Simple interest is commonly used for short-term loans, car loans, and some savings accounts.
Q3: How do I convert percentage to decimal?
A: Divide the percentage by 100 (e.g., 5% becomes 0.05).
Q4: Can I calculate monthly interest with this?
A: Yes, just convert the time to years (e.g., 6 months = 0.5 years).
Q5: Why would someone choose simple interest savings?
A: Simple interest accounts are straightforward and predictable, making them good for short-term savings goals.