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This calculator is pre-set to the 100 mg/5 ml strength (20 mg of ibuprofen per ml) — the most common paediatric ibuprofen suspension in India, used by brands like Brufen and Ibugesic. Enter your child's weight to get the dose in millilitres, with safe 6–8 hour spacing and a 24-hour limit.
Check your bottle: 100 mg / 5 ml
This page assumes a 100 mg/5 ml (20 mg/ml) suspension. If your bottle reads 200 mg/5 ml, change the strength in the calculator.
Not for emergencies
This tool is informational and does not replace a clinician. Avoid ibuprofen in babies under 3 months, dehydration, or chickenpox. Seek urgent care for breathing difficulty, severe drowsiness, seizures, persistent vomiting, or suspected overdose.
Enter child details and click Calculate to see the dose report.
Eight more calculators families use alongside this — all free, no account needed.
At 10 mg/kg a 10 kg child needs about 100 mg per dose. 100 mg/5 ml syrup is 20 mg/ml, so that is roughly 5 ml. Always confirm the strength printed on your bottle and check with your paediatrician.
Paediatric ibuprofen is dosed at about 10 mg per kg of body weight per dose, every 6–8 hours as needed, with a maximum of 40 mg/kg (and usually no more than 4 doses) in 24 hours. The calculator converts that mg dose into millilitres for the syrup strength you select.
Weight gives a far more accurate paediatric dose than age. Always dose by the child's current weight where possible.
Ibuprofen is generally not recommended for babies under 3 months or under 5–6 kg, and should be avoided in dehydration, chickenpox, or known kidney problems. For young infants, check with your paediatrician and consider paracetamol instead.
They can sometimes be alternated under medical advice for a high fever, but they should not be given at the same time without a doctor's guidance. Never exceed the maximum dose of either medicine.
Seek urgent care for a baby under 3 months with fever, or any child with breathing difficulty, severe drowsiness, repeated vomiting, dehydration, a seizure, or suspected overdose. This tool is informational and does not replace a clinician.