Our simple interest calculator puts precision at your fingertips. Just fill-in the corresponding fields with appropriate numbers and effortlessly acquire the simple interest value.
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Result
Payment Breakdown
Principal:
Interest:
Balance Accumulation Graph
Principal
Interest
Schedule
Simple interest (SI), as the name indicates, is the most straightforward way of computing interest on an investment or loan. This type of interest is calculated on the actual principal amount. Therefore, SI is entirely different from compound interest that finds interest on the new amount gained by adding interest to the principal sum.
If you want to determine the amount of SI you’ll receive or owe, the following formula will be useful:
where ‘P’ is the ‘principal amount,’ ‘R’ refers to the ‘per annum percentage of interest’ and ‘T’ stands for the ‘time duration for which someone receives the principal amount.’
Sometimes, experts just use the ‘P x R x T’ variation to calculate the simple interest. In such a situation, ‘R’ is considered as the ‘decimal form of interest rate per time period.’ This means that an interest rate of ‘7%’ will be considered ‘0.07’ in its decimal form here.
On the other hand, consider a scenario where a person borrows money from a bank. Since the borrower has to return the exact borrowed plus the interest amount, the formula for calculating simple interest for such a situation will be as follows:
A = P (1+ RT),
where ‘A’ refers to ‘sum of amount after the specified time period,’ ‘P’ is the ‘principal amount,’ ‘R’ stands for the ‘decimal form of interest rate per time period’ and ‘T’ represents the ‘period the money is borrowed or invested for.’
To further grasp the concept of simple interest and its computations, let’s apply any of the aforementioned formulae to two real-world examples.
Monica took out a three-year loan of $50,000 at a per-annum rate of 3.5%. What would be the total interest accumulated after three years?
Principal amount (P) = $50000
R = 3.5%
Time period (T) = 3 years
By implementing the first formula of simple interest, the equation will become,
Simple Interest (SI) = $5250
Hence, the total accumulated simple interest after three years would be 5250 dollars.
Ross obtains a one-year loan from a bank for 10,000 dollars at an annual interest rate of 10%. Calculate the total amount due, including the interest, at the end of the year.
Principal amount (P) = $10000
R = 10%
Time period (T) = 1 (one) year
By applying the formula of simple interest, the equation will become
Simple Interest (SI) = $1000
Now, the total sum (A) that Ross must pay to the bank after the stipulated time frame will be calculated as,
Total amount (A) = Principal amount (P) + Interest (SI)
Total amount (A) = 10000 + 1000
Total amount (A) = 11000
There are two types of simple interests: Exact and Ordinary. The formula for the calculation of both these types remains the same. However, these two types differ in the usage of time. For instance,
This sort of simple interest is appropriate for calculating SI over a leap year (366 days). It is mostly applicable in banking and financial computations.
In the context of ordinary simple interest calculations, a year is equivalent to 365 days. Simple interest of this type is also used in banking, finance, and auto loans.
Our interest calculator streamlines the process of finding simple interest and making further decisions. Here is a step-by-step detail of how to benefit from the functionality of this online tool:
Enter the principal amount in the box provided to get started.
Specify the percentage of interest rate you wish to use.
Select the appropriate time period unit and input the duration.
Within seconds, you will get the simplified form of your entered fractions.
Hit the ‘Calculate’ button to see the instant results of our simple interest calculator.
Note: If you wish to make another calculation, press the ‘Clear’ option to erase the data of the current computation.
Our simple interest calculator not only simplifies the computation of simple interest, but it also has numerous additional useful features. Some of these are listed below:
Being an expert in finance is no longer necessary thanks to our tool. Its user-friendly design makes it easy for users to enter values and compute simple interest for a range of circumstances.
Our simple interest loan calculator uses state-of-the-art technology to function. Therefore, this online tool guarantees accurate financial planning by carrying out precise calculations each time.
Calculating simple interest can be a tedious task, especially if you don’t like working with numbers. But don’t worry because our tool’s accurate algorithm-based functionality enables immediate simple interest computation and quick decision-making.
Our simple interest calculator makes financial calculations convenient. The tool is accessible as a web application. Therefore, people can use the features of this online utility from any device.
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