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Simple interest calculator

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Simple interest is calculated solely on the amount initially invested. This calculator can help you deal with many different kinds of simple interest problems. The calculator prints an easy-to-follow, step-by-step explanation.

Simple Interest Calculator
Find the amount of money you receive after investing time.
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Simple Interest Calculator
In this calculator, you can choose the value you want to find.
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Examples:
example 1:ex 1:
You put $1,000 into a bank account that pays 7% simple interest each year. You left the money in there for 3 years. Determine the interest earned and the total amount at the end of three years.
example 2:ex 2:
You deposit $12000 into a bank account with a monthly interest rate of 1.5%. You had the money in there for $210 days. Determine the amount of interest earned.
example 3:ex 3:
You put money into a bank account that pays 4% simple interest each year. After three years, you collected $72 in interest. How much was the deposit (principal)?
example 4:ex 4:
You put money into a bank account that pays 2% simple interest every six months. After 9 months, you received $15 in interest. How much was the principal?
example 5:ex 5:
You deposited $1000 into a bank account and received $50 in simple interest after three months. What was the interest rate?
example 6:ex 6:
You deposit $350 into a bank account with a monthly interest rate of 1.2%. Determine the length of time the money was in the bank if you received $9 in interest.
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