Transparent, browser-based tools

Calculators for traditional Chinese systems

Each calculator serves a different task and explains the method behind its result. Your birth details stay in the browser and are not sent to our server for calculation.

01

Four Pillars

BaZi Calculator

Build a complete Four Pillars chart with Day Master, Five Elements, Ten Gods, hidden stems, interactions, and Luck Pillars.

Birth date, time, gender, and place

Open calculator →
02

Feng Shui · Ba Zhai

Kua Number Calculator

Find a Life Gua, trigram, element, East or West group, and eight traditional compass directions with Li Chun boundary handling.

Birth date and traditional formula category

Open calculator →