Technical Symbols

Summary

Search electrical, mechanical, and engineering symbols by name or category, then click to copy any symbol or its Unicode code point.

How it works

1. Type a symbol name, category, or character in the search box.
2. The table filters in real time as you type.
3. Use the category dropdown to browse a specific domain (electrical, mechanical, etc.).
4. Click the symbol cell to copy the character to your clipboard.
5. Click the Unicode code point to copy the U+XXXX value.
6. A confirmation toast appears briefly after each copy.

Use cases

• Insert the ohm (Ω), volt, or ampere sign into technical documents.
• Find the correct Unicode code point for engineering notation.
• Copy SI prefix symbols (μ, k, M, G) for formulas and labels.
• Reference electrical diagram symbols and their Unicode values.
• Use hazard or warning symbols in safety documentation.
• Look up mechanical tolerance and GD&T notation characters.
• Copy symbols for engineering chat messages or slide decks.
• Teach or learn standard engineering symbol conventions.

Frequently Asked Questions