| What it does | Free, real-time 401(k) calculator showing contributions, employer match and compound growth
| Free planning tools for Kingshot gear, events, and kingdom preparation
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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 | - 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
| - Hero gear optimizer to compare upgrade paths by cost and stat breakpoint
- Governor gear and charms planner with priority lists respecting event timing
- Event score calculator for speedups and resource spending
- Kingdom timeline tracking generation unlocks and KvK milestones
- Resource and building cost calculators
- Strategy guides covering gear, KvK, and transfer planning
- Server-rendered pages for search engine crawlability
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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
| - No login required; tools work without sharing game credentials or account data
- Explains assumptions, costs, and opportunity costs instead of black-box recommendations
- Connected workflows linking gear, charms, resources, events, and kingdom planning
- Independent fan project transparent about not being official game content
- Built for multiple player types with different optimization goals
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 7 ● no change since last check | 19 ● no change since last check |
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| Trust Flow (Majestic) | 17 | 10 |
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| Citation Flow (Majestic) | 10 | 30 |
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| Referring domains (Majestic) | 19 | 72 |
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401k Calculator