DIYshop.co.za Global Symbol Standard™

🙌 An open-source project built for the community. Contributions welcome!

 

📏 Dimensions & Geometry

Symbol	Meaning
ƒ	Aperture
𝐻/↕	Height
𝑇/↹	Thickness
𝐿/→	Length
𝑤/↔	Width
𝐷/↧	Depth
∡	Measured Angle
⌀	Diameter
◠	Semi-Circle
𝐼⌀	Inside Diameter
𝑂⌀	Outside Diameter
°	Degrees
#	American Size Chart
🕳	Hole
β	Beta

📦 Space / Area / Volume

Symbol	Meaning
△	Area
μ𝑚	Micrometre
𝑚𝑚	Millimetres
𝑐𝑚	Centimetres
𝑚	Meters
𝑚²	Square meters
𝑚³	Cubic meters
𝑁-𝑚	Newton meters

⚡ Energy

Symbol	Meaning
𝑉	Volts
𝐴𝒉	Amp Hours
µF	Microfarad
𝑚𝐴	MilliAmp
𝑘𝐴	Kilo Ampear
𝐴	Amps
𝑃	Pitch
𝑘𝑊	Kilowatt
𝑊	Watts
𝑊𝒉	Watt Hours
ℎ𝑝	Horse Power

⚖ Weight & Pressure

Symbol	Meaning
𝐾𝑔	Kilograms
𝑔	Grams
℔	Kg/cm³ (bar)
±	Plus Minus
𝐾𝑔𝐹	Force

💧 Liquids

Symbol	Meaning
𝑚ℓ	Milliliters
ℓ	Liters
𝐾ℓ	Kilo Liters
ℓ𝑝𝑚	Liters per minute
ℓ𝑝𝒉	Liters per hour
ℓ𝑝𝑠	Liters per second

⏱ Time

Symbol	Meaning
min	Minute
𝑠	Seconds
𝒉	Hour

🧾 Units & Notation

Symbol	Meaning
𝑄-	Quantity
𝑝	Per
𝑝/𝑚eter	Per meter
50𝑚 Roll	50-meter Roll
𝑝/100 Pallet	Per 100 units
⚖𝑝/100𝑔	Per 100g
𝐷𝐿	Drive Links

---

🎨 Internal Use Markings

🪵 Timber Lengths

Marking	Length
[]	1.8𝑚
[blue]	2.4𝑚
[yellow]	3.0𝑚
[white]	3.6𝑚
[grey]	4.2𝑚
[green]	4.8𝑚
[red]	6.0𝑚
[orange]	6.6𝑚

🧱 Steel Thickness

Marking	Thickness
[]	0.3𝑚𝑚 / 0.4𝑚𝑚
[black]	0.5𝑚𝑚
[orange]	1.2𝑚𝑚
[red]	1.6𝑚𝑚
[green]	2.0𝑚𝑚
[yellow]	2.5𝑚𝑚 / 3.0𝑚𝑚
[blue]	4.5𝑚𝑚 / 5.0𝑚𝑚

🚪 Door Frames

Marking	Description
[red]	Heavy Duty
[yellow]	Medium Duty
[green]	Stable
[brown]	Right Direction
[blue]	Left Direction

🧵 Cables

Marking	Size
[]	0.5𝑚𝑚 / 0.75𝑚𝑚 / 6.0𝑚𝑚 / 10.0𝑚𝑚 / 16.0𝑚𝑚
[yellow]	1.0𝑚𝑚
[red]	1.5𝑚𝑚
[green]	2.5𝑚𝑚
[grey]	4.0𝑚𝑚

🛠️ Pipes

Marking	Type
[red]	HDPE
[yellow]	LDPE

🚫 Misc Internal Codes

Symbol	Meaning
ⓓ	Discontinued (internal use)
Ⓑ	Boycott
»	More options
eCono	Economy Quality

---