Basic Financial Mathematics

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Constant Perpetuity

Simple Interest

Simple interest is a quick and easy method of calculating the interest charge on a loan. Simple interest is determined by multiplying the periodic interest rate by the principal by the number of periods that elapse between payments.


Calculate Future Value:

1. Enter Present Value:
? Do not use decimals. Example: 5000000

2. Enter Number of Periods:
? Integer number. Example: 24

3. Enter Periodic Interest Rate (%):
? You can use decimals, separated by comma or period. Example: 2.53



Calculate Present Value:

1. Enter Future Value:
? Do not use decimals. Example: 5000000

2. Enter Number of Periods:
? Integer number. Example: 24

3. Periodic Interest Rate (%):
? You can use decimals, separated by comma or period. Example: 2,53



Calculate Number of Periods:

1. Present Value:
? Do not use decimals. Example: 5000000

2. Future Value:
? Integer number. Example: 1000000

3. Periodic Interest Rate (%):
? You can use decimals, separated by comma or period. Example: 2,53



Calculate Interest Rate:

1. Present Value:
? Do not use decimals. Example: 5000000

2. Future Value:
? Integer number. Example: 1000000

3. Number of Periods:
? Integer number. Example: 24



By César Alejandro Guerrero For SmartGigas.com