Medication Dosage Calculator

Calculate medication doses based on weight, frequency, and drug concentration for accurate drug administration.

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Important Health Disclaimer

This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.

For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.

Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.

Not a substitute for professional medical advice

Patient Weight

Dosing Information

Drug Concentration

days

Single Dose

700.0 mg

7.0 mL per dose

💊Dose Per Admin
700.0 mg
💧Volume Per Dose
7.0 mL
📅Daily Dose
2100.0 mg
🧪Daily Volume
21.0 mL

Dosing Schedule

Give 700.0 mg (7.0 mL)

Every 8 hours (3x daily)

For 7 days (21 total doses)

Total Course Requirements

Total medication: 14700 mg

Total volume: 147 mL

Patient weight: 70.0 kg

Dosing Abbreviations

Frequency

  • QD: Once daily
  • BID: Twice daily
  • TID: Three times daily
  • QID: Four times daily

Interval

  • Q6H: Every 6 hours
  • Q8H: Every 8 hours
  • Q12H: Every 12 hours
  • Q24H: Every 24 hours

Route

  • PO: By mouth
  • IV: Intravenous
  • IM: Intramuscular
  • SC: Subcutaneous
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sources

  • World Health Organization (WHO) — Global health metrics, disease classification, and nutritional standards. who.int
  • Centers for Disease Control and Prevention (CDC) — Health statistics, BMI guidelines, and disease prevention data. cdc.gov
  • National Institutes of Health (NIH) — Medical research, clinical guidelines, and health calculators. nih.gov
  • Mayo Clinic — Clinical health information, disease reference, and wellness guidance. mayoclinic.org

For a complete list of all references used across the site, visit our full sources page.

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: WHO Health Metrics Standards

by World Health Organization

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.