What size is the hole? Instructions on how to use a hole ruler in the most detail
Share
What is a Lu Ban ruler and how to use it in the most detailed way is a question of many people in house construction. For more details, please refer to the concept of a Lu Ban ruler and detailed instructions on how to use a Lu Ban ruler in the following article.

What is the Lu Ban ruler? The most detailed instructions on how to use the Lu Ban ruler for you
1. What is a Ban ruler?
The Lu Ban ruler is a type of measuring tool used to measure dimensions in construction. The Lu Ban ruler is named after the person who invented it - Lu Ban.
This is the type of ruler used in the construction of Duong Trach (houses) and Am Trach (graves). On this type of ruler, there are common sizes, corresponding to good and bad palaces. The corresponding Lu Ban ruler helps users know which size to use and which size to avoid.
2. Origin of the Lu Ban ruler
The Lu Ban ruler is named after a person named Ban (also known as Cong Du) - considered the founder of carpentry and construction in the Lu state from 770 - 476 BC. Lu Ban also means "Mr. Ban of the Lu state".
Lu Ban is considered by people to be the founder of carpentry and construction in the vast country of China. Eastern people believe that when building a house, everyone wants to choose the right size for the house to match feng shui in order to have good luck and bring fortune to the homeowner.
3. Classification of the Ban Thuoc ruler
Currently on the market there are many different sizes of Lo Ban rulers. Of course, depending on the type of ruler as well as the intended measurement object such as door, altar, etc., there will be different ways to calculate and determine the "golden parameters".
Currently on the market there are many ban hole rulers with different sizes.
There are 3 types of Ban Thuoc rulers commonly used today:
52.2cm Ban hole ruler: Used to measure voids, clear spaces or also known as "light leaks", "ventilation", "air leaks" in the house such as: window panes, vents, main doors, windows, skylights...
42.9cm Ban hole ruler: Used to measure solid blocks, construction details as well as furniture in the house such as: overall dimensions of house blocks, pedestals, kitchens, steps, beds, cabinets, etc.
38.8cm Ban hole ruler: Used to measure the negative part of the house such as: graves, tombs, altars, coffins...
4. Meaning of the arcs in the Lu Ban ruler
Details of 8 arcs and intervals of the 42.9cm Ban Thuoc ruler:
- Palace of Wealth: The interior of the house's wealth palace brings good fortune and abundant money, lasting for generations to come. Whatever you do, you will be satisfied and have many blessings.
- Palace of Disease: Money disappears, can get involved in scandals, legal issues, lonely life.
- Ly Palace: If the measurement is in the Ly palace, the homeowner will encounter many bad things, fortune will be lost, property will be mortgaged, work will not develop, wealth will be lost, and money will be lost.
- Palace Meaning: Brings good luck to the homeowner, easily achieves what they want, obedient and filial children, success, and birth of a noble son.
- Palace of Officials: Have an easy career path, prosperous business, easy to achieve wealth and prosperity.
- Palace of Disaster: The homeowner will easily encounter accidents, death, loss of people, loss of money, and exile.
- Palace of Harm: Causing the homeowner to encounter many uncertainties, possibly accidents, death, many illnesses, family discord and disharmony.
- Network Supply: The homeowner will meet a noble person to help, have good luck, pass all exams, save valuable things, have a prosperous business, and have wealth.
Detailed illustration of 8 arcs and intervals of the 42.9cm Lu Ban ruler
Details of 8 arcs and intervals of 52.5cm Ban Thuoc ruler:
- Nobleman Palace: The family with this palace is well-off, has a prosperous business, loyal friends, and smart and filial children.
- Danger supply: The size of the house door must be measured correctly to create danger, loss of wealth, unstable life, lack of money, often sick people in the house, unfilial children, not successful.
- Disaster Palace: This is a palace that often causes serious illness, death, loss of property, discord between husband and wife, and children in trouble.
- Genius Palace: Is a good palace. The homeowner is talented, profitable, always lucky in terms of wealth, business goes smoothly, children are filial, family lives long, is peaceful, happy, and fulfilled.
- Palace of happiness and prosperity: Bring the homeowner a prosperous life, good fortune, a growing career, smart and studious children, a warm and peaceful family.
- Lonely Palace: If the house door meets this direction, the homeowner will lose money, property, be separated, have disobedient children, and indulge in excessive drinking and sex until death.
- Palace of the Thieves: Beware of sudden illness, misfortune, lawsuits, imprisonment, and death.
- Prime Minister's Palace: Bringing prosperity to the homeowner in all aspects, children becoming famous and talented, giving birth to a noble son, the homeowner is always lucky.
Details of 8 arcs and intervals of 52.5cm Ban Thuoc ruler
The meanings of the 38.8cm Lu Ban ruler are similar to the 2 types of Lu Ban rulers above. Therefore, to bring good luck, fortune, convenience in business, family peace,... Pay attention to the dimensions in the red ranges of the Lu Ban ruler.
5. Instructions on how to use the most accurate ruler
Each type of ruler is used to measure different parts of a construction. Before measuring, we need to understand the meaning and usage of each type of ruler to be able to choose the appropriate size.
The structure of a normal ruler has 3 main parts:
Row 1: Only measurement size (unit cm).
2nd row: Bow according to the ban hole size 38.8cm.
3rd row: Bow according to the ban hole size 42.9cm.
Each type of geomantic ruler is used to measure different parts of a construction project.
How to use the Ban Lu ruler simply: When measuring, if the size you choose falls into the red area, it is a good size, in accordance with feng shui. If it falls into the black area, it is a size to avoid and you need to re-measure for construction.
Therefore, the principle of measuring the Ban Thuoc ruler that needs attention is as follows:
- Use a ruler to measure the door: The door hole size is calculated from the inside edge of the door and should measure both height and width.
- Use a ruler to measure the height of the house: From floor to ceiling.
- Use a ruler to measure furniture: Measure the length, width, height or diameter of an object.
6. Lucky numbers when using the Lu Ban ruler in house construction
To determine the size to bring good things to the homeowner, stay away from bad things. So for the ban ruler, which number is a good number, you can refer to the following size:
Beautiful number of feng shui ruler
7. Notes when using the Ban Thuoc ruler
Clearly distinguish the Ban hole rulers In fact: Currently on the market, there is only the iron-rolled Lu Ban ruler (retractable ruler) with the size of 42.9cm to measure the Yang Trach elements (Yang part) and 38.8cm to measure the Yin Trach elements (Yin part). As for the 52.5cm Lu Ban ruler, you must use the online Lu Ban ruler lookup software or the ruler of a feng shui master.
Notes when using the Ban Thuoc ruler
Pay attention to the red and black spaces on the ruler: Remember the motto when using the Lu Ban ruler: "Discard black, use red". The measurements in the red area will bring you good luck. On the contrary, the black areas will bring bad luck, and sometimes even seriously affect your business.
Don't focus too much on the desired signs that cause inconvenience in daily life: Although red palaces will bring you luck, furniture and home space are two important factors that directly affect the feeling of relaxation and living habits of every family member.
8. Ban ruler applications on phones
Lu Ban Ruler for iOS: An application that helps users measure dimensions right on the iOS operating system platform. This application is considered quite accurate and easy to use. With the ability to satisfy customers, this is a great application that you cannot ignore.
Ban ruler applications on phones
Lu Ban Ruler Application: This is a very familiar application for users running the Android operating system. Lu Ban Ruler helps you look up the size of objects according to Feng Shui. Lu Ban Ruler is named after the first person to research and create the ruler, named Lu Ban.
In addition, you can use the Online Ruler tool on websites such as: wonder, wedo, lichngaytot...
9. Is it okay to build a house without using a geomantic ruler?
To put it simply, the Lu Ban ruler is like a feng shui ruler from ancient times. Many people use this ruler when building a house to measure the size and height of the main door, windows, bedroom door ... Because they do not want to violate the dimensions with bad arcs in the Lu Ban ruler.
From that, it can be inferred that using a geomantic ruler to measure a house mainly solves the psychological problem. Because in terms of mechanics and physics, the task of calculating the function of a building so that the homeowner does not encounter difficulties when using it is the task of the architect.
Currently, there is still no scientific basis to prove that the Lu Ban ruler will bring the homeowner much fortune, luck or many other good things.
Therefore, in a certain aspect, the Ban ruler is only for reference, it is not necessary to follow it completely. To have a beautiful house, the homeowner or architect only needs to pay attention to the ratio between the interior details in the house and the whole house so that it is harmonious, balanced, and meets the right needs of use.
Above is basic information about the Lu Ban ruler, the meaning of the Lu Ban ruler and how to use the Lu Ban ruler in real situations. Hopefully, the homeowner has grasped the appropriate information to apply to their family home.