Printable Acetaminophen Dosing Chart
Back to full chart pageUse your browser print dialog (Cmd/Ctrl + P) to print or save as PDF. Always confirm the exact concentration on the bottle and follow clinician guidance.
Acetaminophen Dosing Chart by Weight
Fixed doses from the AAP HealthyChildren chart (about 10-15 mg/kg per dose). Infants' and children's liquid are both 160 mg/5 mL in the US. Every 4 hours as needed, no more than 5 doses in 24 hours.
0-3 months6-11 lb · 3-5 kg
Dose
1.25 mL40 mg
How often: Call the doctor first
Max: As the doctor directs
Under 12 weeks: call the doctor before any dose; a fever at this age needs a medical check. Newborns under 1 month get fewer doses a day (no more than 4) and longer gaps.
4-11 months12-17 lb · 5-7 kg
Dose
2.5 mL80 mg
How often: every 4 h as needed
Max: 5 doses (400 mg) in 24 h
Under 12 weeks: call the doctor first, even at this weight. Under 2 years: US label says ask a doctor.
12-23 months18-23 lb · 8-10 kg
Dose
3.75 mL120 mg
How often: every 4 h as needed
Max: 5 doses (600 mg) in 24 h
Under 2 years: US label says ask a doctor.
2-3 years24-35 lb · 11-15 kg
Dose
5 mL160 mg
How often: every 4 h as needed
Max: 5 doses (800 mg) in 24 h
Or 1 chewable (160 mg).
4-5 years36-47 lb · 16-21 kg
Dose
7.5 mL240 mg
How often: every 4 h as needed
Max: 5 doses (1,200 mg) in 24 h
Or 1½ chewables (160 mg each).
6-8 years48-59 lb · 22-26 kg
Dose
10 mL320 mg
How often: every 4 h as needed
Max: 5 doses (1,600 mg) in 24 h
Or 2 chewables (160 mg each).
9-10 years60-71 lb · 27-32 kg
Dose
12.5 mL400 mg
How often: every 4 h as needed
Max: 5 doses (2,000 mg) in 24 h
Or 2½ chewables (160 mg each).
11 years72-95 lb · 33-43 kg
Dose
15 mL480 mg
How often: every 4 h as needed
Max: 5 doses (2,400 mg) in 24 h
Or 3 chewables (160 mg each).
12 years and older96+ lb · 44+ kg
Dose
2 × 325 mg tablets650 mg
How often: every 4 h as needed
Max: 5 doses (3,250 mg) in 24 h
Use adult tablets: 2 × 325 mg (650 mg). Extra strength (2 × 500 mg) only every 6 h, no more than 6 tablets in 24 h.
| Weight (lb) | Weight (kg) | Typical age | Dose (mL) | Dose (mg) | How often | Max in 24 h | Notes |
|---|---|---|---|---|---|---|---|
| 6-11 | 3-5 | 0-3 months | 1.25 | 40 | Call the doctor first | As the doctor directs | Under 12 weeks: call the doctor before any dose; a fever at this age needs a medical check. Newborns under 1 month get fewer doses a day (no more than 4) and longer gaps. |
| 12-17 | 5-7 | 4-11 months | 2.5 | 80 | every 4 h as needed | 5 doses (400 mg) in 24 h | Under 12 weeks: call the doctor first, even at this weight. Under 2 years: US label says ask a doctor. |
| 18-23 | 8-10 | 12-23 months | 3.75 | 120 | every 4 h as needed | 5 doses (600 mg) in 24 h | Under 2 years: US label says ask a doctor. |
| 24-35 | 11-15 | 2-3 years | 5 | 160 | every 4 h as needed | 5 doses (800 mg) in 24 h | Or 1 chewable (160 mg). |
| 36-47 | 16-21 | 4-5 years | 7.5 | 240 | every 4 h as needed | 5 doses (1,200 mg) in 24 h | Or 1½ chewables (160 mg each). |
| 48-59 | 22-26 | 6-8 years | 10 | 320 | every 4 h as needed | 5 doses (1,600 mg) in 24 h | Or 2 chewables (160 mg each). |
| 60-71 | 27-32 | 9-10 years | 12.5 | 400 | every 4 h as needed | 5 doses (2,000 mg) in 24 h | Or 2½ chewables (160 mg each). |
| 72-95 | 33-43 | 11 years | 15 | 480 | every 4 h as needed | 5 doses (2,400 mg) in 24 h | Or 3 chewables (160 mg each). |
| 96+ | 44+ | 12 years and older | 2 × 325 mg tablets | 650 | every 4 h as needed | 5 doses (3,250 mg) in 24 h | Use adult tablets: 2 × 325 mg (650 mg). Extra strength (2 × 500 mg) only every 6 h, no more than 6 tablets in 24 h. |
Doses follow the AAP HealthyChildren dosing tables; mL is for the liquid concentration shown. If a weight falls between rows, use the lower dose.
Charts do not replace labels or clinician guidance. Always verify product concentration and avoid double-dosing with combination products.