Feng Shui Tools
Feng shui tools divide into two categories: the ones that give you useful information, and the ones that give you the illusion of useful information. The difference matters because people waste more time on the second category than they save with the first. A compass that tells you your front door faces south is useful. A "feng shui calculator" that tells you to put three coins in the southeast corner without knowing what room is actually in your southeast corner is not.
The Core Tools That Actually Work
The Compass (Luopan / 风水罗盘). The foundational feng shui tools instrument. A proper luopan divides the compass into 24 mountains (二十四山) of 15 degrees each, with multiple concentric rings for different calculation systems — Eight Mansions, Flying Star, 72 Dragons, and more. A smartphone compass app is sufficient for determining the eight cardinal directions. A luopan is needed for precise Flying Star calculations where 15-degree increments determine the facing mountain. In professional feng shui chart work, the luopan reading is the first measurement taken at every site.
The Bagua Map (八卦图). The eight-sector overlay that maps life areas onto physical space. The Bagua is a classification tool — it tells you which life area each room's sector governs. It is not a decoration guide. Use it to understand what's at stake in each room, not to decide which object to place in which corner. For a feng shui layout generator to produce meaningful output, it needs accurate Bagua alignment as input.
The Flying Star Chart (玄空飞星图). The 9-square grid showing star combinations per sector, calculated from the house's facing direction and construction period. This is the time-sensitive layer that a feng shui bagua map alone cannot provide. Flying Star charts change annually — Stars 2 (sickness) and 5 (misfortune) move sectors each February and require different annual remedies. Any feng shui tools setup that doesn't include annual star tracking is working with a static map on a moving landscape.
The Kua Number Calculator (命卦计算). Calculates your personal Kua number from birth year and gender, which determines your four favorable and four unfavorable compass directions. The feng shui calculator for Kua numbers is the most practically useful calculation tool because it personalizes direction — which way you should face when working, sleeping, and spending extended time. The Kua number is the bridge between house-level feng shui (which is about the space) and personal feng shui (which is about you in the space).
Tools That Need Context
The Feng Shui Layout Generator. A feng shui layout generator can suggest room arrangements based on Bagua principles and room dimensions. What it cannot do: evaluate your actual room's compass sector, read the Flying Star chart for that sector, know your personal Kua direction, or account for fixed architectural features (windows, radiators, built-ins) that constrain furniture placement. Use a layout generator for preliminary ideas. Verify against compass readings, star charts, and personal directions before committing to an arrangement.
The Feng Shui Calculator. A general feng shui calculator — whether for Kua numbers, Flying Star calculations, or element balance — outputs a number or a category. The output is only as useful as your ability to interpret it. A Kua number of 1 (Kan, Water) means your favorable directions are southeast, east, south, and north — but knowing this doesn't tell you which of those directions is actually achievable in your bedroom. The calculation is the easy part; applying it to a real room is where the tool's output needs human judgment.
The Feng Shui Bedroom Chart. A room-layout diagram showing bed, door, windows, and furniture. Useful for spatial diagnostics. Cannot show compass sector, Flying Stars, or personal directions. Use alongside a compass and Kua calculation, not instead of them.
FAQ
A compass (phone app or luopan), a Bagua map, and your Kua number. These three feng shui tools cover direction, life-area mapping, and personal compatibility. Add a Flying Star chart if you want the time-sensitive layer. Everything else — calculators, generators, charts — is supplementary.
For Kua number calculation and basic compass readings — yes, if they use the correct formula (birth year before or after Chinese New Year/Li Chun). For Flying Star charts — some are, but verify the facing mountain (15-degree sector) rather than just the cardinal direction. Most feng shui calculator apps simplify the 24 Mountains to 8 directions, which is insufficient for precise Flying Star work.
An app is sufficient for preliminary work and for the Eight Mansions system (which uses 8 directions). A real luopan is preferred for professional Flying Star work because phone compasses can be affected by metal in the phone and nearby electronics. For a feng shui layout generator that needs direction input, an app reading is adequate.
Annual Flying Star tracking. Most people set up their feng shui once and never update it. Stars shift every February. A sector that was fine last year may have Star 2 or 5 this year. Annual star checking is the most overlooked feng shui tools practice — and the one with the most immediate practical impact.
Next Step
Tools provide data. A professional assessment provides interpretation — applying the data to your specific floor plan, your household composition, and your goals.
Book a Home Feng Shui Consultation*A consultation uses all the tools — luopan, Bagua, Flying Star chart, Kua calculation — and applies them to your specific space, producing recommendations that no standalone tool can generate.*
Get a professional assessment that applies these principles to your specific space — not generic advice.
A Home Feng Shui Consultation evaluates your home's structure, orientation, Bagua overlay, and room-by-room energy distribution. Specific recommendations based on your actual floor plan.
- Complete floor plan analysis with Bagua overlay and Flying Star chart
- Room-by-room recommendations based on compass sectors and personal Kua directions
- Structural, furniture, element, and annual adjustment plan — all four layers