| What it does | Free financial calculators for certificates of deposit, mortgages, retirement, and loans with charts and schedules
| Free tool to plan your fasting schedule and eating windows with personalized nutrition targets
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| Stage | Startup
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| Founded | 2026
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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 | - Certificate of deposit calculator with growth projections and tax-adjusted returns
- Mortgage and real estate calculators including refinancing analysis
- Retirement planning tools for 401(k), IRA, pension, and Social Security
- Loan and debt payoff calculators
- CSV export and print functionality
- Transparent formulas documented on every calculator page
- Over 70 calculators across six financial categories
| - Multiple fasting protocols including 16:8, 14:10, 18:6, 20:4, and OMAD
- Custom fasting hours option
- Personalized daily calorie goals using Mifflin-St Jeor equation
- Daily protein targets based on ISSN standards
- Metabolic milestones tracking ketone switch and autophagy
- Visual timeline of fasting schedule
- Export schedule as image or text
- No signup required
- Related tools including Intermittent Fasting Timer and Template
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| What makes it different | - All calculations run locally in your browser with no data stored on servers
- Completely free with no sign-up, account, or paywall required
- Independent with no product recommendations or paid placements
- Transparent formulas allow verification against spreadsheets or bank statements
| - No signup required to use calculators and export plans
- Personalized targets based on peer-reviewed research formulas
- Tracks metabolic phases like ketone switch and autophagy timing
- Plain-English educational content alongside tools
- Treats outputs as planning estimates with clear safety disclaimers
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 5 ▲ +1 (up) since last check | 15 ● no change since last check |
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| Trust Flow (Majestic) | 9 | 20 |
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| Citation Flow (Majestic) | 9 | 23 |
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| Referring domains (Majestic) | 27 | 83 |
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CDCalculator
Intermittent Fasting Calculator