| What it does | Find the month you can stop saving for retirement
| Free Mifflin-St Jeor calculator that shows every step of the equation
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| Stage | Not given
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| Founded | Not given
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| Based in | CA
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Shows the exact month you can stop saving
- Runs 1,000 simulated markets to show odds of success
- What-if scenarios for savings, returns, and fees
- Accounts for investment fees and contribution raises
- Share links to compare plans with others
- No sign-up required
- Calculations run in browser, data not stored
- Shows formulas and assumptions transparently
| - Shows full equation working with step-by-step substitution
- Multiple activity levels from sedentary (×1.2) to extra active (×1.9)
- Katch-McArdle calculator using body fat percentage
- Step-based TDEE estimation
- Adaptive TDEE calculator from weight changes
- Embeddable calculator iframe
- Metric and imperial unit switching
- Comparison with other equations like Harris-Benedict
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| What makes it different | - Answers when you can stop saving, not just how much you need
- No sign-up, no data stored, free to use
- Shows odds of success with Monte Carlo simulations
- Plain language explanations without financial jargon or hype
| - Shows all working so users can verify the math themselves
- Uses the most accurate equation for healthy adults
- Multiple calculation methods beyond basic equation
- Transparent about accuracy limitations and sources
- Completely free with no tracking or cookies
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ▲ +2 (up) since last check | 16 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 0 | 1 |
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| Citation Flow (Majestic) | 16 | 16 |
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| Referring domains (Majestic) | 2 | 3 |
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Coast FIRE Planner
TDEE Steps