CalEstimator
Calculators to help you make smart money moves
Tweak the numbers. See how the math plays out.

Loan payment calculator
Preview how price, interest rate, and loan term influence your payment.
Interactive sliders load shortly after the page becomes idle.
Snapshot inputs
- Purchase price
- $20,000.00
- Interest rate (APR)
- 4.5%
- Loan term
- 36 months
Enable JavaScript to tweak these numbers with sliders.
Monthly payment
$594.94
- Amount financed
- $20,000.00
- Total interest
- $1,417.79
- Total cost
- $21,417.79
Estimates assume a fixed-rate simple interest loan with monthly compounding. Taxes, fees, and insurance are not included.

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FAQ
Answers to common questions about what CalEstimator offers and how to get more from the calculators.
What can I model with CalEstimator?
Browse car, mortgage, refinancing, and home services calculators. Each tool shows payment breakdowns, payoff timelines, and tradeoffs so you can sanity-check rates, fees, or down payment targets before locking in a quote.
How accurate are the calculators?
Inputs follow the same amortization math lenders use. You can dial in taxes, insurance, HOA dues, dealer fees, or extra payments so the projections match the numbers you expect to see on official loan estimates.
Do you save or sell my data?
No account is required and values never leave your browser. You can explore scenarios anonymously and export or bookmark the ones that help you plan your next money move.