How to use this calculator
Simple interest applies the stated rate only to the original principal.
The method
Enter your values in the labeled fields and choose Calculate. The result panel shows the answer and supporting values when useful.
Principal: 5000, Annual interest rate (%): 6, Years: 3
Select Calculate to evaluate these example values.
Scope and limitations
Does not model fees, taxes, changing rates, or compounding. A general planning calculation using only the assumptions you enter. It does not provide tax, legal, credit, or investment advice.
Common questions
Can I use different units?
Use consistent units unless this page is a unit converter. The result follows the units implied by the inputs.
Are results exact?
Displayed values may be rounded. Keep extra precision for important follow-up calculations.
Methods & verification
Formulas use standard mathematical definitions and fixed unit factors where applicable. See our methodology for numerical conventions, rounding, privacy, and limitations.