Dosage Reference

Anesthetic Calculator

Weight-based maximum-dose calculator for lidocaine, articaine, bupivacaine, and mepivacaine — with manufacturer absolute ceilings.

Reference only — always apply clinical judgment and account for patient health history.

Clinical Safety Tool

Local Anesthetic Calculator

Calculate maximum safe dosages based on patient weight and anesthetic type. Always apply clinical judgment and follow manufacturer guidelines.

Pounds (lbs)
Kilograms (kg)
Select Anesthetic

Lidocaine 2% with Epinephrine (1:100,000)

Maximum Dose
mg
Maximum Carpules
1.8 mL carpules
Total Volume
mL
Dosage: 7 mg/kg with epinephrine (manufacturer ceiling 500 mg). Each 1.8 mL carpule contains 36 mg lidocaine.

Important Clinical Considerations

  • These calculations provide maximum doses. Consider patient health status, procedure complexity, and duration.
  • Reduce doses for pediatric, elderly, or medically compromised patients, and when combining anesthetics.
  • Always aspirate before injection. Monitor for signs of toxicity: CNS excitation, seizures, cardiovascular depression.
  • This tool is for reference only. Exercise clinical judgment and follow manufacturer IFU.

Quick Reference: Anesthetic Properties

Lidocaine2% with Epi
Max Dose
7 mg/kg (max 500 mg)
mg / Carpule
36 mg
Articaine4% with Epi
Max Dose
7 mg/kg (max 500 mg)
mg / Carpule
72 mg
Bupivacaine0.5% with Epi
Max Dose
2 mg/kg (max 90 mg)
mg / Carpule
9 mg
Mepivacaine3% Plain
Max Dose
6.6 mg/kg (max 400 mg)
mg / Carpule
54 mg