LMA size chart by weight with classic cuff-volume limits for anesthesia airway setup and board-style numeric recall.
Review the core table first, then launch practice to convert recognition into faster recall.
| LMA size | Patient weight | Max cuff volume |
|---|---|---|
| 1 | <5 kg | 4 mL |
| 1.5 | 5-10 kg | 7 mL |
| 2 | 10-20 kg | 10 mL |
| 2.5 | 20-30 kg | 14 mL |
| 3 | 30-50 kg | 20 mL |
| 4 | 50-70 kg | 30 mL |
| 5 | 70-100 kg | 40 mL |
This tool is for educational purposes only. Always verify clinical values against current authoritative sources before patient care.