| What it does | Free, real-time 401(k) calculator showing contributions, employer match and compound growth
| Free source-checked paycheck and tax calculators with every rate linked to official sources
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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
| The calculators are free to use and do not require an account.
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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
| - Paycheck and income tax calculators for US and 12 other countries
- Every rate linked to official tax agencies
- Calculations tested against official worked examples
- Source documentation with retrieval dates for every figure
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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
| - Every rate is sourced from official tax agencies with links to original documents
- All figures are dated and checked for accuracy against official methods
- Transparent about gaps where data is not yet verified
- Covers 15 countries with a unified approach to transparency
- Plain English explanations alongside all calculators
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 8 ▲ +1 (up) since last check | 6 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 17 | 0 |
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| Citation Flow (Majestic) | 10 | 0 |
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| Referring domains (Majestic) | 19 | 0 |
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401k Calculator
CalcBloc