Tools
Fast calculators and research utilities for coin shows, shop visits, estate calls, inventory pricing, bullion math, grading checks, and market comparisons.
Coin Research Tools
Calculators and lookup tools built around real dealer decision-making.
90% Silver Calculator
Calculate melt value for silver dimes, quarters, halves, and classic silver dollars.
Open ToolPre-1982 Penny Calculator
Estimate copper melt value for pre-1982 Lincoln cents by roll, pound, or coin count.
Open ToolU.S. Gold Melt Calculator
Calculate melt value for American Gold Eagles, commemoratives, and Pre-33 gold.
Open ToolCoin Price Lookup
Search market estimates by date, mint mark, grade, certification, and recent activity.
Open ToolAuction Comp Checker
Compare recent auction, dealer, and marketplace sales by holder, grade, and venue.
Open ToolPop Report Analyzer
Review population, pop higher, condition rarity, CAC signal, and grade scarcity.
Open ToolBuy Price Calculator
Enter target margin, fees, shipping, and expected sale price to calculate max buy price.
Open ToolInventory Pricing Sheet
Track cost basis, list price, melt floor, target profit, holding time, and sale status.
Open ToolGrade Range Estimator
Reference common grade bands and value jumps before submitting or buying raw coins.
Open ToolDealer Workflow
A practical field process for turning research into buying decisions.
Confirm date, mint mark, series, composition, and possible variety.
Use melt value and wholesale demand to estimate downside protection.
Review recent sales, price guide, grade range, and population pressure.
Calculate buy price, target sale price, spread, fees, and expected margin.
Tool Roadmap
Suggested build order for the eCOINomics tool suite.
| Tool | Category | Purpose | Status | Priority |
|---|---|---|---|---|
| 90% Silver Calculator | Melt Values | Fast bullion floor estimate | MVP | High |
| Pre-1982 Penny Calculator | Copper | Copper cent stacking math | Planned | High |
| Coin Price Lookup | Price Guide | Grade-based value reference | MVP | High |
| Buy Price Calculator | Dealer Math | Fees, margin, spread, max buy | Planned | High |
| Auction Comp Checker | Market Research | Comparable sales research | Planned | Medium |
| Inventory Pricing Sheet | Operations | Track cost, list price, status, profit | Planned | Medium |
How to Use These Tools
The goal is faster, cleaner decision-making.