Index · 7 calculators · 3 sections
Seven free tools, one for each decision you actually face. Real math — standard amortization, simple interest, no shortcuts. Run entirely in your browser. No signup, no credit pull.
Figure out what you can afford and which path makes sense before stepping on a lot.
Run the math on the actual deal you're being offered — payment, trade equity, and manufacturer incentives.
Estimate monthly payment, total interest, and full amortization for any loan amount.
Calculate positive or negative equity on your current vehicle before trading it in.
Manufacturer offer comparison: which actually saves you more — 0% financing or rebate?
Replace the loan, pay it down faster, or just see how much you'd save with a small change.
Built for actual decisions
The math is real (standard amortization, simple interest), the inputs match what you'd find in a loan offer or contract, and the results show numbers that actually drive a buy / refi / keep decision. None of the calculators require a sign-up, share your inputs anywhere, or pull credit.