Simple Interest Calculator
Calculate simple (non-compounding) interest on a principal over time.
Interest
750.00
- Total (principal + interest)
- 5,750.00
Show the work
Rate as a decimal
r = rate ÷ 100
5 ÷ 100 = 0.05
Interest
I = P × r × t
5,000.00 × 0.05 × 3 = 750.00
Estimates for general information only — not financial advice.
How it works
Interest = P × r × t
Questions
- How does the simple interest calculator work?
- Interest = P × r × t.
- What do I need to enter?
- Principal, Annual interest rate, Time, Time unit. Optional fields can be left blank.
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