| What it does | Free online calculator to estimate your Total Daily Energy Expenditure and daily calorie needs
| Free FIRE financial planner with Monte Carlo simulation and historical backtesting
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| Stage | Not given
| Established
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| Founded | Not given
| 2019
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| Based in | Not given
| Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
| Not given
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| Key features | - Input body statistics including age, gender, height, and weight
- Mifflin-St Jeor equation for BMR estimation
- Personalized maintenance calorie estimates
- Macro recommendations based on calculated TDEE
- Calorie targets for weight loss and muscle gain
| - Monte Carlo simulation with up to 5,000 runs
- Historical backtesting against every market period since 1872
- US federal, state and payroll tax calculations for all 50 states
- Roth conversion ladder and RMD planning
- Six stress tests including market crash and job loss
- Three withdrawal strategies with 59.5 rule enforcement
- Support for 9 asset types with individual growth rates
- Month-by-month income and expense modeling with custom timelines
- Life event planning
- 9-currency support with auto-detection
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| What makes it different | - Data-driven approach using the Mifflin-St Jeor equation for accuracy
- Personalized calculations tailored to individual body stats and activity level
- Supports both weight loss and muscle gain planning
- Free and easy-to-use online tool
| - Runs entirely in your browser with no account needed or data stored on servers
- Tests retirement against 154 years of historical market data since 1872
- Calculates exact tax liability for all 50 US states plus federal and payroll taxes
- Completely private with no data collection, selling or sharing
- Works offline on Android with full planner functionality
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 34 ▼ −4 (down) since last check | 12 ● no change since last check |
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| Trust Flow (Majestic) | 13 | 4 |
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| Citation Flow (Majestic) | 30 | 34 |
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| Referring domains (Majestic) | 167 | 127 |
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TDEE Calculator
firenum™