How to Use This Calculator
- Enter the original purchase price of the item when you first bought it.
- Input the age of the item in years (e.g., 3 years for a 3-year-old car).
- Rate the condition of the item on a scale from 1 (poor) to 10 (excellent). A higher condition score will result in a higher estimated used price.
- If the item has a mileage counter (common for vehicles), enter the current mileage. Higher mileage typically decreases the value of the item.
- Click the "Calculate" button to see the estimated used price based on your inputs.
- Use the "Reset" button to clear all inputs and start over.
Understanding the Formula
This calculator uses a simplified depreciation model that considers multiple factors affecting the value of a used item:
- Original Price - The starting point for valuation
- Condition - A direct multiplier that reflects how well-maintained the item is
- Age - Items generally depreciate over time, with the rate slowing down as they get older
- Mileage - For items with mileage counters, higher usage typically reduces value
Limitations
This calculator provides an estimate based on general depreciation patterns. The actual market value of an item may be affected by many other factors not included in this calculation, such as:
- Brand reputation and reliability
- Market demand for the specific item
- Availability of spare parts
- Recent maintenance history
- Seasonal factors (e.g., demand for winter tires)
For accurate market pricing, we recommend consulting recent listings for similar items or contacting a professional appraiser.