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CalculateBraSize vs UltraCalcPal

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

CalculateBraSize compared with UltraCalcPal
DetailCalculateBraSize logo CalculateBraSizeUltraCalcPal logo UltraCalcPal
What it doesNot given Ultra-marathon nutrition calculator for race-day fuelling
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot 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
  • Bra size calculation in five sizing systems: US, UK, EU, FR and AU
  • Support for inches and centimetres
  • Fabric yardage calculator for various projects
  • Pregnancy due date calculator using Naegele's rule
  • All calculations run privately in browser with no data storage
  • 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 26 calculators completely free with no sign-up or limits
  • Calculations verified with automated tests before every release
  • Fully private with no measurements sent to servers or stored
  • 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 votes00
DR (Domain Rating by Ahrefs)3 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)00
Referring domains (Majestic)00

3 details filled in for both companies.

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