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Free Loan Calculator: Monthly Payments & Amortization
Tooly · 2026-08-02 · 5 min read
Car loans, student loans, personal loans, business financing — before you sign anything, you need to know the monthly payment and the total cost. A free loan calculator gives you both instantly, with a full amortization breakdown, so you can compare offers on paper before a lender smells the ink.
What a loan calculator shows
- Monthly payment — principal + interest, fixed for the term
- Total interest — the real cost of borrowing
- Amortization — how much of each payment goes to principal vs. interest
- "What if" scenarios — adjust rate, term, or amount and see the impact
Calculate a loan free with Tooly
The Tooly Loan Calculator does it all:
- Enter loan amount, interest rate, and term in months or years
- See your monthly payment instantly
- Review the amortization breakdown
- Free, no signup, runs in your browser
Quick reference: monthly payment per $10,000 borrowed
| Rate | 3 years | 5 years |
|---|
| 5% | $300/mo | $189/mo |
| 7% | $309/mo | $198/mo |
| 9% | $318/mo | $208/mo |
| 12% | $332/mo | $222/mo |
Smart borrowing tips
- Compare the total cost, not just the monthly payment — a longer term means lower payments but more interest
- Check if there are origination fees or prepayment penalties
- Pay extra toward principal when you can — it shortens the term dramatically
- For mortgages, use the Mortgage Calculator; for tips and splits, the Tip Calculator
Frequently Asked Questions
Is this loan calculator really free? Yes — unlimited use, no account, no limits.
Does it include fees? The calculator covers principal + interest; add origination fees and insurance manually to your total.
Is my data private? Everything runs in your browser — your numbers never leave your device.
Can I see the amortization? Yes — the calculator shows the payment breakdown across the full term.
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