Home Calculators Dosage Calculator

Dosage Calculator

Calculate medication doses by weight, concentration, and frequency. Supports weight-based dosing, IV drip rates, unit conversions, and full daily schedules — for educational and reference use only.

⚠️ Medical Disclaimer: This calculator is for educational and reference purposes only. It does not constitute medical advice. Always consult a licensed healthcare professional or pharmacist before administering any medication.

Weight-Based Dosage

Calculate dose from mg/kg or mcg/kg prescription

Patient Weight Unit

Patient Weight (kg)

Patient Type

Prescribed Dose

Dose Unit

Frequency

Available Concentration

Concentration Unit

Medication Unit Converter

Convert between mg, mcg, g, mEq, units, and more

Value

From Unit

To Unit

Weight Conversion — lbs to kg

or kg to lbs

Common Dosing Examples

Reference examples — always verify with prescribing info

Dosage Result

Calculated dose and administration details

Daily Dosing Schedule

Suggested dose times starting at 8:00 AM

Supply & Total Dose

🩺 Important: These calculations are for educational reference only. Medication dosing depends on many clinical factors including renal function, liver function, drug interactions, allergies, and individual patient response. Always verify with a licensed pharmacist or physician before administering any medication.

Dose Summary

Fill in the details and click
Calculate

Frequency Reference

QD / ODOnce daily

BIDTwice daily

TID3× daily

QID4× daily

Q4HEvery 4 hrs

Q6HEvery 6 hrs

PRNAs needed

Weight Conversion

1 kg= 2.2046 lbs

1 lb= 0.4536 kg

1 g= 1,000 mg

1 mg= 1,000 mcg

1 mcg= 1,000 ng

1 tsp= 5 mL

1 tbsp= 15 mL

1 fl oz= 29.57 mL

⚠️ Disclaimer

For educational use only. Not a substitute for professional medical advice. Always consult a licensed healthcare provider.