| What it does | Free pay and money calculators with 2026 tax tables
| Ultra-marathon nutrition calculator for race-day fuelling
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Free
| Freemium
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| Pricing | All calculators are free to use with no sign-up required.
| Free account with demo calculator and one saved plan. Pro is €13 EUR once per plan for aid-station planner, race-day forecast, sharing, PDF, race-week reminder and learning from past race.
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| Key features | - 50 free calculators covering pay, debt and everyday money
- State-by-state paycheck calculations with current tax brackets
- All calculations run in browser—no data sent to servers
- No sign-up or login required
- Built from primary sources: IRS, SSA, DOL and state agencies
- Regression-tested with over 1,200 automated checks before release
| - Carbohydrate, fluid and sodium calculations per hour based on weight, effort and weather
- Fuel ideas in gels, chews, drink mix or real food with mixed strategy options
- Aid-station planner with up to 60 stations and drop-bag lists
- GPX file import for race route and waypoints
- Race-day forecast with heat-index adjustments
- Hour-by-hour race plan table with night-race adjustments
- Shareable private links to share plans with crew
- Printable PDF of the complete race plan
- Race-week reminder by push or email with key numbers
- Post-race review to learn from past races
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| What makes it different | - All calculations are transparent: every formula is shown and verifiable against official sources
- Privacy by design: all math runs locally in your browser, no data collection
- Completely free with no sign-up, ads or paywalls
- Covers U.S.-specific rules: every state, FLSA overtime, tax law and payroll convention
| - Demo calculator requires no account and sends nothing to the browser
- One-time €13 EUR payment per plan with no subscription
- Personalised calculations based on published sports-nutrition ranges scaled to your weight and conditions
- Plans are private by default with revocable sharing links
- No ad trackers and ability to delete all personal data
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 1 | 0 |
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| Citation Flow (Majestic) | 32 | 0 |
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| Referring domains (Majestic) | 13 | 0 |
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CrunchMyPay
UltraCalcPal