| What it does | Live gold prices per gram for 10K–24K gold, updated every 30 seconds
| Free epoxy resin calculator for mold batches, casting voids and tabletop coatings
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Real-time gold prices for 10K, 14K, 18K, 21K, 22K and 24K gold
- Prices update every 30 seconds from live market feed
- Gold calculator: enter weight and karat to see melt value
- Scrap gold calculator for multiple items at once
- Pawn shop calculator to estimate offers by payout percentage
- Price history charts over 30 days and one year
| - Calculate mold cavity volumes from dimensions or enter known volumes
- Combine multiple molds and piece counts in a single batch plan
- Split totals using product volume or weight ratios
- Add material allowance percentages for wastage
- Estimate kit quantities and material costs
- Support metric and US imperial units
- Save projects locally in browser without creating an account
- Export batch sheets as PDF or CSV
- Calculate deep pour epoxy with layer allocation
- Calculate tabletop coatings with edge coverage
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| What makes it different | - Fast, no signup or ads required
- Transparent calculations showing where the price comes from
- Built for mobile shopping: works properly on a phone in a shop
- Independent project with no referral fees or data sales
| - Published formulas and methodology transparent with no proprietary hidden calculations
- Calculations cross-checked against a separate Python implementation using 100-digit decimal arithmetic
- Handles irregular molds using known volumes without forcing geometry estimates
- Shares batch plans via URL without storing projects on servers
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 21 ● no change since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 8 | 0 |
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| Citation Flow (Majestic) | 27 | 19 |
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| Referring domains (Majestic) | 40 | 6 |
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ResinBatch