Astrology

Astrology Calculators

Sun signs, Chinese zodiac, compatibility, numerology, and retrograde dates.

Find a tool in Astrology

8 tools

Biorhythm Calculator

Biorhythm calculator: physical, emotional, and intellectual cycles from birth date to a target date.

Chinese zodiac calculator: animal sign and element from birth year, with lunar-new-year caveat.

Mercury retrograde calculator: check if a date falls in a retrograde window, 2024-2030.

Numerology life path calculator: reduce a birth date to its life path number, master numbers kept.

Numerology name number calculator: Pythagorean letter values for any name, entertainment only.

Zodiac compatibility calculator: sun-sign match score by element and modality, entertainment only.

Zodiac element calculator: element, modality, and ruling planet for any sun sign.

Zodiac sign calculator: find your sun sign, element, modality, and ruling planet from a birth date.