Free tools · Finance
Loan & Simple Interest Calculator
Estimate simple interest and total repayment from principal, rate, and term. Free finance calculator — no signup.
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How it works
- Enter principal, annual rate %, and time in years.
- See interest and total owed.
- Adjust inputs to compare scenarios.
FAQ
- Simple vs compound?
- This tool uses simple interest (P × r × t). Mortgage-style amortization is not included.
- Advice?
- Educational math only — not financial advice.
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