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Swim Converter vs AstroCalcolo

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

Swim Converter compared with AstroCalcolo
DetailSwim Converter logo Swim ConverterAstroCalcolo logo AstroCalcolo
What it doesFree NCAA-factor swim time converter for SCY, SCM and LCM pools Ascendant calculator for Italy and the world with IANA timezone conversion and historical rules
StageNot given Not given
FoundedNot given Not given
Based inNot given IT
Pricing modelFree Free
PricingNot given Not given
Key features
  • Instant conversion between SCY, SCM and LCM courses
  • Uses published NCAA conversion factors by event and gender
  • No login or registration required
  • Visible conversion factors and route displayed with results
  • Truncates results to one hundredth of a second without rounding
  • No conversion history stored
  • IANA timezone conversion with historical rules for accurate local to UTC conversion
  • Supports over 7,800 Italian cities and 165,000 global cities
  • Shows margin of error with ±15, ±30, or ±60 minute options
  • Multi-level personalized reading including base description, decan analysis, and sun-ascendant synthesis
  • Daylight saving time automatically applied based on historical rules for location and date
  • All calculations processed locally in browser with no data sent to external services
  • Cusps warning to alert when result is near a zodiac sign boundary
  • Monthly table tool for quick checks across different times and signs
  • Combined moon and ascendant calculator in one tool
  • Chrome extension for quick ascendant checks from the browser
What makes it different
  • Built on published NCAA factors, not invented estimates
  • Supports event-specific and gender-specific conversion factors for long-course
  • Transparent methodology with visible factors and honest labeling
  • Transparent about uncertainty: displays margin of error and warns when result is near sign boundaries
  • Uses reliable IANA timezone database with historical rules, not approximations
  • Privacy-first: all computation happens locally in the browser without storing or sending personal data
  • Clear explanations of calculation method, limits, and how to interpret results
  • Independent project maintained transparently by a single developer
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check20 no change since last check
Trust Flow (Majestic)88
Citation Flow (Majestic)1923
Referring domains (Majestic)953

4 details filled in for both companies.

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