Carfax Diminished Value Calculator

Introduction: The Carfax Diminished Value Calculator is a practical tool for individuals looking to estimate the diminished value of their car. Diminished value refers to the reduction in a vehicle's worth due to accidents or damage. This calculator allows users to factor in the diminished value percentage and determine the current value of their car.

Formula: The estimated diminished value is calculated using the formula:
Estimated Diminished Value = Original Car Value * (Diminished Value Percentage / 100)

How to Use:

  1. Enter the original value of the car in the "Enter Original Car Value" field.
  2. Input the diminished value percentage in the "Enter Diminished Value Percentage" field (between 0 and 100).
  3. Click the "Calculate" button to get the estimated Carfax diminished value.

Example: Suppose you have a car with an original value of $25,000, and the diminished value percentage is 15%. The estimated Carfax diminished value would be $3,750.


  1. Q: How accurate is the Carfax Diminished Value Calculator?
    A: The calculator provides an estimate based on the entered values. Actual diminished values may vary based on specific circumstances.
  2. Q: Can I use this calculator for any type of vehicle?
    A: Yes, the calculator is suitable for cars of any make or model.
  3. Q: Is the diminished value percentage constant for all types of accidents?
    A: The percentage may vary based on the severity and type of damage sustained.
  4. Q: Can I use this calculator for leased cars?
    A: The calculator is designed for owned vehicles. Diminished value calculations for leased cars involve different considerations.
  5. Q: How often should I use this calculator to estimate my car's diminished value?
    A: Use the calculator when assessing the impact of accidents or damage on your car's value.

Conclusion: The Carfax Diminished Value Calculator is a valuable tool for individuals seeking to understand the potential reduction in their car's value due to accidents or damage. While the results are estimates, they provide useful insights for making informed decisions related to insurance claims or resale considerations.

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