How to use it
- Enter Loan amount.
- Enter Annual rate %.
- Enter Term (years).
The formula
M = P·r(1+r)ⁿ / ((1+r)ⁿ−1)
Worked example
A $30,000 auto loan at 7.5% over 5 years is about $601/month.
Frequently asked questions
Should I include tax?
Add sales tax and fees to the financed amount for accuracy.
Longer term, lower payment?
Yes, but you pay more interest overall.
Tips
- A shorter term costs less overall even if the payment is higher.
- Check the APR, not just the rate, to compare fairly.
- Read the fine print for fees and prepayment penalties.
Key terms
- APR
- Yearly cost including fees, as a percentage.
- Term
- How long you repay the loan.
- Collateral
- An asset securing the loan.