Product Resale Value Calculator
Estimate current secondhand market resale value for smartphones, cameras, designer goods, and power tools based on age, condition, and depreciation.
Compound Resale Depreciation Formula
Resale Value = (Original Price × (1 - Depreciation %)^Age × Condition Multiplier) + Accessories Value- Compound Depreciation: Annual compounding depreciation rate (e.g., 15–25% for consumer tech).
- Condition Multipliers: Mint / Like-New (1.00x), Good (0.85x), Fair (0.65x), Poor / Parts (0.40x).
- Accessories Value: Extra value added by original boxes, chargers, lenses, or cases.
Step-by-Step Worked Example
Calculation Steps:
How to Use This Calculator
Assumptions & Limitations
- Resale values are illustrative estimates. Peer-to-peer marketplaces (eBay, Swappa) fluctuate based on real-time supply and demand.
Frequently Asked Questions
Which consumer products hold their resale value the best?
Products from prestige brands with strong ecosystem lock-in (Apple electronics, Sony/Canon full-frame camera lenses, Honda/Toyota power equipment, and luxury heritage leather goods) experience the lowest depreciation curves.
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