| What it does | Live gold prices per gram for 10K–24K gold, updated every 30 seconds
| Date, deadline and time calculators with visible assumptions and sources
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| US
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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
| - 184 calculators across 53 categories
- Shows counting rules and assumptions with each result
- Local-first processing with no data sent to servers
- Holiday and weekend calendar selection
- Business day counting
- Date arithmetic (add or subtract days, weeks, months, years)
- Sleep cycle planner with NIH-based 80-100 minute cycles
- Time zone conversion with DST handling
- Save results as images or add to calendar
- Schengen visa 90/180 day rolling window auditing
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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
| - Shows the source and counting rule beside every answer
- No sign-up or account required to use any calculator
- All inputs stay in your browser for privacy
- Comprehensive coverage across 53 life and work categories
- Higher-risk calculators include prompts to verify with professionals
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 19 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 8 | 0 |
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| Citation Flow (Majestic) | 27 | 0 |
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| Referring domains (Majestic) | 40 | 0 |
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CalcSpan