Free online diminished value calculator to help you estimate your car's diminished value quickly and easily. No registration required, instant results, and completely free to use.
Get your vehicle's diminished value estimate in three easy steps
Input your vehicle's pre-accident fair market value, select the damage severity level (minor, moderate, or major structural), and choose the appropriate mileage range to establish the baseline for your diminished value calculation.
Our calculator uses the industry-standard 17c formula to automatically compute your diminished value estimate. The calculation applies damage and mileage modifiers to determine how much your vehicle's value has decreased after the accident.
View your preliminary diminished value estimate with a detailed breakdown of the calculation factors. Get immediate access to your results and learn about obtaining a certified SnapClaim appraisal report for insurance claims and legal proceedings.