Find Your Kua Number Calculator

Kua Number Calculator

Enter your birth year and gender to find your Kua number, element, and auspicious directions according to Feng Shui.

What is a Kua Number?

A Kua Number (also known as Gua number or Ming Gua) is a fundamental concept in Feng Shui, particularly in the Eight Mansions (Ba Zhai) school. It’s a single-digit number from 1 to 9 (with 5 being integrated into 2 for males and 8 for females) derived from your year of birth and gender. Your Kua Number is believed to reveal your personal energy map, including your auspicious (favorable) and inauspicious (unfavorable) directions, and your connection to certain elements.

Anyone interested in applying Feng Shui principles to their home or office environment should use their Kua Number. It helps identify the best directions for important activities like sleeping, working, and facing during meals to enhance well-being, success, and health. A common misconception is that the Kua number is the only factor in Feng Shui; it’s an important personal factor but should be used in conjunction with other Feng Shui analyses, like the Flying Stars.

Kua Number Formula and Mathematical Explanation

The calculation of your Kua Number depends on whether you were born before or after the year 2000, and your gender.

1. Sum the digits of your birth year: Add all four digits of your birth year together. If the sum is a two-digit number, add those two digits together until you get a single-digit number (let’s call this ‘A’).
2. For those born before 2000:
   • Males: Subtract ‘A’ from 11 (11 – A). If the result is greater than 9, sum its digits. If the result is 5, the Kua Number becomes 2.
   • Females: Add 4 to ‘A’ (4 + A). If the result is greater than 9, sum its digits. If the result is 5, the Kua Number becomes 8.
3. For those born in or after 2000:
   • Males: Subtract ‘A’ from 10 (10 – A). If the result is greater than 9, sum its digits. If the result is 5, the Kua Number becomes 2.
   • Females: Add 5 to ‘A’ (5 + A). If the result is greater than 9, sum its digits. If the result is 5, the Kua Number becomes 8.

If the final calculated Kua Number is 5, it is adjusted: males become Kua 2, and females become Kua 8. This is because there is no Kua number 5 in the Eight Mansions system; it merges with the Earth element of Kua 2 and 8.

Variables in Kua Number Calculation

Variable	Meaning	Unit	Typical Range
Birth Year	The year you were born	Year	1900-2099
Gender	Your biological gender at birth	Category	Male, Female
A	Sum of birth year digits reduced to a single digit	Number	1-9
Kua Number	Your personal Feng Shui number	Number	1, 2, 3, 4, 6, 7, 8, 9

Kua Numbers and Their Associations

Kua Number Associations

Kua	Element	Group	Good Directions	Bad Directions
1	Water	East	SE, E, S, N	SW, NE, NW, W
2	Earth	West	NE, W, NW, SW	E, SE, N, S
3	Wood	East	S, N, SE, E	NW, W, NE, SW
4	Wood	East	N, S, E, SE	W, NW, SW, NE
6	Metal	West	W, NE, SW, NW	S, N, E, SE
7	Metal	West	NW, SW, NE, W	N, S, SE, E
8	Earth	West	SW, NW, W, NE	SE, E, S, N
9	Fire	East	E, SE, N, S	NE, SW, W, NW

Practical Examples (Real-World Use Cases)

Example 1: Male Born in 1977

• Inputs: Birth Year = 1977, Gender = Male
• Calculation:
  1. Sum of digits: 1 + 9 + 7 + 7 = 24 -> 2 + 4 = 6 (A=6)
  2. Born before 2000, Male: 11 – 6 = 5. Since it’s 5, Kua becomes 2.
• Outputs:
  • Kua Number: 2
  • Element: Earth
  • Good Directions: NE, W, NW, SW
  • Bad Directions: E, SE, N, S
• Interpretation: A male born in 1977 has a Kua number of 2. He should try to face Northeast, West, Northwest, or Southwest when working or sleeping for better energy.

Example 2: Female Born in 2005

• Inputs: Birth Year = 2005, Gender = Female
• Calculation:
  1. Sum of digits: 2 + 0 + 0 + 5 = 7 (A=7)
  2. Born in 2000 or after, Female: 5 + 7 = 12 -> 1 + 2 = 3.
• Outputs:
  • Kua Number: 3
  • Element: Wood
  • Good Directions: S, N, SE, E
  • Bad Directions: NW, W, NE, SW
• Interpretation: A female born in 2005 has a Kua number of 3. Her favorable directions are South, North, Southeast, and East. She belongs to the East group.

How to Use This Find Your Kua Number Calculator

1. Enter Birth Year: Input the full four-digit year of your birth (e.g., 1985).
2. Select Gender: Choose your gender from the dropdown menu.
3. Calculate: Click the “Calculate Kua” button, or the results will update automatically if you’ve changed the inputs.
4. Read Results: The calculator will display your Kua Number, your element, and your good and bad directions.
5. Decision-Making: Use your good directions to orient your desk, bed, and main door if possible. Try to avoid facing your bad directions for prolonged periods, especially during important activities. Knowing your Kua Number is the first step in personalizing your environment with Feng Shui.

Key Factors That Affect Kua Number Results

The calculation of your Kua Number is solely based on two factors, but its application and effectiveness are influenced by several others:

• Birth Year: The primary determinant, as it sets the base for the calculation, distinguishing between pre-2000 and post-2000 formulas. The solar (not just calendar) year start around Feb 4/5 influences the exact year for those born early in the year, though this calculator uses the calendar year.
• Gender: Different formulas are applied for males and females, leading to different Kua Numbers even for the same birth year.
• Accuracy of Birth Date: While we use the year, for precise Feng Shui, especially near the Chinese New Year, the exact date and time can be relevant to confirm the solar year start.
• The Kua Number 5 Rule: The adjustment of Kua 5 to 2 for males and 8 for females is a standard practice in Eight Mansions Feng Shui.
• East/West Group: Your Kua Number places you in either the East Group (Kua 1, 3, 4, 9) or the West Group (Kua 2, 6, 7, 8), which share the same set of four good directions.
• Application in Space: How you apply the knowledge of your directions within your living or working space is crucial. It’s about facing directions, not just being in a sector.

Frequently Asked Questions (FAQ)

What if my calculated Kua Number is 5?

If the initial calculation results in 5, it is automatically changed to 2 for males and 8 for females by the calculator and in Feng Shui practice.

Does the Kua Number change over time?

No, your Kua Number is fixed based on your birth year and gender and does not change throughout your life.

What are the East and West group Kua numbers?

East Group Kua numbers are 1, 3, 4, and 9. West Group Kua numbers are 2, 6, 7, and 8. People in the same group share the same four auspicious directions.

How important is the Kua Number in Feng Shui?

It’s a very important aspect of personal Feng Shui, especially in the Eight Mansions (Ba Zhai) school, as it guides the use of personal directions.

Can I use my partner’s good directions too?

Ideally, each person benefits most from their own good directions. In shared spaces, compromises may be needed, or focus on directions that are good for both, or at least not the worst for either. The breadwinner’s Kua Number is often prioritized for the main door and their workspace.

What if my front door faces one of my bad directions?

If your front door faces one of your inauspicious directions, Feng Shui cures and remedies can be used to mitigate the negative effects. Consult a Feng Shui practitioner for specific advice.

Are the directions based on magnetic north or true north?

Feng Shui generally uses magnetic north, so a reliable compass is needed to determine the directions accurately.

How does the Chinese New Year affect the Kua Number calculation?

The Feng Shui year typically starts around February 4th or 5th (Lichun). If you were born between January 1st and Feb 3rd/4th, you might belong to the previous Chinese solar year. This calculator uses the calendar year, but for those born in early Jan/Feb, consulting a precise solar calendar might be needed for the correct Kua Number.