「魯班尺」又稱「魯般尺」通稱「文公尺」。長1.4142尺，以生老病死苦五字為基礎，劃分為八格，各有凶吉，依序為：財、病、離、義、官、劫、害、本。風水尺又分為上下兩個部份：上半部為文公尺：用於陽宅、神位、佛具尺寸。下半部為丁蘭尺：多用於陰宅、祖龕。

「魯班尺」App功能：
尺標左右滑動
尺寸數值輸入
單位變更
尺標字顯示
意義解釋
財：財德 寶庫 六合 迎福
病：退財 公事 牢執 孤寡
離：長庫 劫財 官鬼 失脫
義：添丁 益利 貴子 大吉
官：順科 橫財 進益 富貴
劫：死別 退口 離鄉 財失
害：災至 死絕 病臨 口舌
本：財至 登科 進寶 興旺

（丁蘭尺）陰宅
丁蘭尺爲時下風水師必備之工具。主要用於建造墳墓或奉置祖先牌位時，據以測量，並定吉凶。本尺以1.28尺，分十格，每一格又分四小格；其十格，各印有代表吉凶之文字，分別是
丁：福星 及第 財旺 登科
害：口舌 病臨 死絕 災至
旺：天德 喜事 進寶 納福
苦：失脫 官鬼 劫財 無嗣
義：大吉 財旺 益利 天庫
官：富貴 進寶 橫財 順科
死：離鄉 死別 退丁 失財
興：登科 貴子 添丁 興旺
失：孤寡 牢執 公事 退財
財：迎福 六合 進寶 財德。
"Luban ruler" also known as "Lu-like feet" commonly known as "text-meter." 1.4142 feet long with illness and death bitter five-word basis divided into eight cells each with Luck in order is: money sick leave justice officer robbery injury Ben. Feng Shui ruler is divided into upper and lower two parts: the upper half is the text meter: a mansion tablets the size of the Buddha. Ding Lan feet lower half: used Amityville Horror ancestral shrine.

"Luban ruler" App features:
Scale bar sliding around
Size numeric input
Change units
Scale bar displays the word
Interpretation of the meaning
Choi: Choi Ying Fuk Luk Tak treasure trove
Disease: Executive prison official retirement fiscal Widows and Orphans
From: Changku robbing Guangui off loss
Yi: Yi Li Tian-ding Takako down
Officer: Shun windfall wealth Cheyne
Robbery: bereavement escapes fiscal lose their homes
Victims: disaster absolutely sick to death of the Pro tongue
Ben: Choi Jin Bao later in life to thrive

(Ding Lan feet) Amityville Horror
Ding Lan ruler is essential nowadays feng shui master tool. Mainly for the construction of the grave or instructions set ancestral tablets according to measurements and given good and bad. In the present feet 1.28 feet in ten cell each cell is divided into four compartments; its tenth grid each printed character representative of good and bad respectively
Ding: Fuxing second Caiwang Davydenko
Harm: Pro tongue disease died out to the disaster
Wang: Tiande wedding Jinbao Hannaford
Bitter: loss of off Guangui robbing without issue
Meaning: down financial Wang Yi Li Tian library
Officer: wealth windfall Shun Jin Bao
Dead: Dead Do not back away from home Ding lost earnings
Xing: Davydenko Takako childbirth thrive
Loss: Widows and Orphans prison enforcement official retirement wealth
Choi: Choi Jin Bao Ying Fuk Luk Tak.