| What it does | Free online calculators and tools that run entirely in your browser
| Ultra-marathon nutrition calculator for race-day fuelling
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| Not given
|
|---|
| Pricing model | Free
| Freemium
|
|---|
| Pricing | Not given
| 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.
|
|---|
| Key features | - Paycheck calculator for all 50 US states and DC
- 2025-2026 tax deduction calculators for overtime, tips, and charitable giving
- PDF to Word converter with scanned page support
- Mortgage and auto loan calculators
- Image resizing, format conversion and compression tools
- JSON formatter and validator
- Retirement and investment calculators
- Everyday calculators for time, measurements and fitness
| - 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
|
|---|
| What makes it different | - All tools run entirely in browser with no server upload
- No signup, download or installation required
- Over 100 free calculators and tools with no watermarks or ads on results
- Updated daily to reflect new tax laws and government guidance
| - 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
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | Not checked yet ● no change since last check |
|---|
| Trust Flow (Majestic) | 2 | 0 |
|---|
| Citation Flow (Majestic) | 26 | 0 |
|---|
| Referring domains (Majestic) | 45 | 0 |
|---|
Tools Berry
UltraCalcPal