Know if you're approvable
before the test drive.
Approvable models the same DTI, LTV, and residual-income math lenders use — then stress-tests your deal so the dealership can't surprise you.
The engine
Four lenses on a single number.
Real lender math
Front-end and back-end DTI, LTV, and residual income — weighted the way underwriters weigh them.
Stress tests built-in
See instantly what happens if APR jumps 2 points, your trade evaporates, or income drops 10%.
Find your price
Reverse the calculation: what's the highest sticker that still keeps you under a 36% DTI?
Bring proof to the lot
Download a one-page snapshot or a multi-page premium report you can hand to the F&I manager.
Try it
Move a slider. Watch the math react.
An illustrative preview — the full calculator includes credit tiers, stress tests, and alternative deal structures.
- Est. payment
- $664/mo
- All-in monthly
- $854
- Post-deal DTI
- 27.4%
- LTV
- 89%
Methodology
Confidence, weighted.
Every input maps to a transparent weight. No black box. No mystery score.
Field notes
Receipts from the lot.
"Walked into the dealership with the snapshot. They stopped negotiating against me."
"The stress test caught a payment I would have regretted in six months."
"Finally a calculator that explains why, not just what."
Walk in informed.
Two minutes of inputs. A decision-grade snapshot you can defend to any lender.