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.

Patient Weight

Pounds (lbs)

Kilograms (kg)

Select Anesthetic

Maximum Dose

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Maximum Carpules

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1.8 mL carpules

Total Volume

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Dosage: 7 mg/kg with epinephrine (manufacturer ceiling 500 mg). Each 1.8 mL carpule contains 36 mg lidocaine.

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.

Anesthetic	Concentration	Max Dose	mg / Carpule
Lidocaine	2% with Epi	7 mg/kg (max 500 mg)	36 mg
Articaine	4% with Epi	7 mg/kg (max 500 mg)	72 mg
Bupivacaine	0.5% with Epi	2 mg/kg (max 90 mg)	9 mg
Mepivacaine	3% Plain	6.6 mg/kg (max 400 mg)	54 mg

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