Free Pediatric Epinephrine Dose Calculator
Enter weight and select route to calculate dose
Pediatric Epinephrine Dose Calculator – Quick Reference for Child Adrenaline Dosing
When a child requires epinephrine (adrenaline) in an emergency, the correct dose depends on body weight, age, and the chosen route of administration. The Child Epinephrine Dose Calculator helps clinicians and caregivers estimate the precise amount of epinephrine for intravenous (IV), intramuscular (IM), subcutaneous (SC), endotracheal (ET), or nebulized delivery. This tool is designed to support fast, accurate decision‑making during critical situations such as anaphylaxis, cardiac arrest, or severe asthma.
The fundamental formula used is:
Because the required dose varies with age and route, the calculator automatically selects the appropriate reference. Below are the standard pediatric dosing guidelines.
Dosing for Older Infants and Children (≥28 days old)
| Route | Dosage | Solution strength |
|---|---|---|
| Intravenous (IV) | 0.01 mg/kg | 1 : 10,000 |
| Intramuscular (IM) / Subcutaneous (SC) | 0.01 mg/kg | 1 : 1,000 |
| Endotracheal (ET) | 0.1 mg/kg | 1 : 1,000 |
| Nebulizer (inhalation) | 0.5 mg/kg | 1 : 1,000 |
Dosing for Newborns (<28 days old)
| Route | Dosage range | Solution strength |
|---|---|---|
| Intravenous (IV) | 0.01–0.03 mg/kg | 1 : 10,000 |
| Endotracheal (ET) | 0.03–0.1 mg/kg | 1 : 10,000 |
Key reminders before using the Pediatric Adrenaline Dose Calculator:
- Verify the child’s current weight.
- Confirm the solution concentration (1 : 1,000 vs. 1 : 10,000) – this affects the volume administered, not the active drug amount.
- Respect the maximum dose limits described below.
Maximum Epinephrine Dose in Children
| Route | Max dose | Typical indication |
|---|---|---|
| Intravenous | 1 mg | Cardiopulmonary resuscitation |
| IM/SC | 0.3–0.5 mg | Severe asthma exacerbation or anaphylaxis |
| Endotracheal | 10 mg | Cardiopulmonary resuscitation |
| Nebulizer | 5 mg | Airway obstruction from croup (LTB) |
Epinephrine Dosage for Anaphylaxis in Pediatric Patients
Anaphylaxis is a life‑threatening allergic reaction that requires immediate IM or SC epinephrine. The Child Epinephrine Dose Calculator includes fixed EpiPen® dosing for convenience:
- Junior – 0.15 mg for children weighing 15–30 kg
- Regular – 0.3 mg for children weighing ≥30 kg
For a standard syringe IM injection, the dose is 0.01 mg/kg of a 1 : 1,000 solution (0.01 mL/kg). Rapid fluid resuscitation should also be considered during anaphylactic shock.
Epinephrine 1 : 1,000 vs. 1 : 10,000
Both solutions deliver the same amount of active epinephrine; the difference lies in the volume needed:
- 1 mg/kg of a 1 : 1,000 solution ⇒ 1 mL/kg
- 1 mg/kg of a 1 : 10,000 solution ⇒ 10 mL/kg
Choosing the correct concentration is essential to avoid under‑ or overdosing the child.
Important Disclaimer
This calculator is intended for informational and educational purposes only. It does not replace clinical judgment or consultation with a qualified medical professional. Always follow your institution’s protocols and seek immediate medical advice when managing pediatric emergencies.
FAQ
1. How do I use the Pediatric Epinephrine Dose Calculator?
Enter the child’s weight (in kg or lbs – the tool will convert automatically) and select the route of administration (IV, IM, SC, ET, or nebulizer). The calculator then applies the standard age‑appropriate dose (e.g., 0.01 mg/kg for IV) and outputs both the total mg required and the corresponding volume in mL based on the chosen solution concentration.
2. What is the maximum epinephrine dose for a child?
The maximum dose varies by route: IV – 1 mg, IM/SC – 0.3–0.5 mg, endotracheal – 10 mg, nebulizer – 5 mg. Always stay within these limits, especially during resuscitation or anaphylaxis treatment.
3. Why do IV and IM epinephrine doses differ?
Intravenous administration provides 100% bioavailability, so a lower dose (0.01 mg/kg) is effective. IM/SC injections have lower bioavailability, therefore the same 0.01 mg/kg dose is delivered but in a different concentration (1:1,000 vs. 1:10,000 for IV). The active drug amount is the same; only the volume changes.
4. Is the epinephrine dose for anaphylaxis the same as for other emergencies?
For anaphylaxis, the preferred route is IM/SC at 0.01 mg/kg (max 0.3–0.5 mg). This is the same dose used for severe asthma in the IM/SC column. For anaphylaxis, the fixed‑dose EpiPen® (Junior 0.15 mg for 15–30 kg, Regular 0.3 mg for ≥30 kg) may be used instead of a syringe.
5. Can I use this calculator for newborns under 28 days old?
Yes. The calculator has a dedicated newborn mode. For newborns, IV dosing is 0.01–0.03 mg/kg (1:10,000) and ET dosing is 0.03–0.1 mg/kg (1:10,000). Always double‑check the solution strength and maximum dose for this age group.
How to Use
- Type the child's weight and select the appropriate unit (kg, lb, oz, or dag) to begin.
- Choose the route of administration (IV, IM, SC, ET, or Nebulizer) and the child's age group.
- Click the Calculate button to get the recommended epinephrine dose in both mg and mL.