| What it does | Free, real-time 401(k) calculator showing contributions, employer match and compound growth
| Live gold prices per gram for 10K–24K gold, updated every 30 seconds
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| Stage | 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 | - Live, real-time calculations that update as you type
- Breaks down balance into contributions, employer match and investment growth
- No signup or account required
- All calculations run in the browser with no data stored
- Updated for 2026 IRS contribution limits
- 11 focused calculators for different 401(k) scenarios
- Visual chart showing balance growth over time
- Employer match calculator
- Roth vs traditional comparison tool
- Early withdrawal penalty calculator
| - 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
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| What makes it different | - Fully transparent formulas shown for every calculation
- IRS-accurate calculations verified against official guidance
- No advertising or sponsored products
- Complete privacy with client-side-only calculations
- Worked examples showing calculations step-by-step
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 7 ● no change since last check | 21 ● no change since last check |
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| Trust Flow (Majestic) | 17 | 8 |
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| Citation Flow (Majestic) | 10 | 27 |
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| Referring domains (Majestic) | 19 | 40 |
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401k Calculator