Baby Feeding Schedule Calculator
Calculates the recommended ounces per feeding for formula-fed, breastfed, or mixed-fed babies based on weight, age, and number of daily feedings. Ideal for new parents establishing a consistent feeding routine.
Last updated: September 2026
Formula below · 3 sources (CDC, healthychildren.org, aap.org) · Updated Sep 2026
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About this calculator
Feeding amounts differ by method. For formula feeding, the AAP guideline is about 2.5 oz of formula per pound of body weight per day, up to a maximum of about 32 oz a day, so oz per feeding = min(babyWeight_lbs × 2.5, 32) ÷ feedingsPerDay. For mixed feeding the same total applies to all milk (breast plus bottle), so the result is the total milk per feed; offer the breast first and top up. For breastfed babies given expressed milk by bottle, intake stays fairly constant at about 25 oz a day from 1 to 6 months (less in the first weeks), so oz per bottle ≈ 25 ÷ feedingsPerDay; at the breast, feed on demand. From 12 months the calculator returns a message, because most children then move to whole milk. All results are rounded to one decimal place. These are starting points, not hard rules; follow your baby's hunger and fullness cues.
How to use
Example: formula-fed baby, 12 lbs, 8 feedings per day. Step 1 – Identify feeding type: formula. Step 2 – Apply formula: (12 × 2.5) ÷ 8 = 30 ÷ 8 = 3.75 oz per feeding, rounded to 3.8 oz. Step 3 – Interpretation: offer 3.8 oz at each of the 8 daily feedings for a total of ~30 oz per day. For a breastfed 4-month-old receiving expressed milk 8 times a day: 25 ÷ 8 ≈ 3.1 oz per bottle. A 15-lb formula-fed baby reaches the 32 oz daily cap (15 × 2.5 = 37.5 → 32), so 6 feedings are about 5.3 oz each. Adjust based on your baby's hunger cues.
Frequently asked questions
How many ounces of formula should I give my baby per feeding?
The standard guideline is about 2.5 oz of formula for every pound of body weight spread over all daily feedings. For example, a 10-lb baby taking 8 feedings per day would receive roughly 3.1 oz per feeding (25 ÷ 8). Most babies between 1 and 6 months consume between 2 and 6 oz per feeding as they grow. Always follow your baby's hunger and fullness cues rather than pushing to finish a bottle.
How often should a newborn be fed in the first few weeks of life?
Newborns typically need 8–12 feedings every 24 hours, which works out to roughly every 2–3 hours around the clock. Breastfed newborns often feed more frequently than formula-fed ones because breast milk digests faster. Feeding on demand — whenever the baby shows hunger cues like rooting or sucking hands — is recommended by the American Academy of Pediatrics. As babies grow and their stomachs expand, feeding intervals naturally lengthen and amounts per session increase.
When can I start reducing the number of feedings per day as my baby grows?
Most babies naturally consolidate feedings as their stomach capacity grows and they begin sleeping longer stretches, usually between 3 and 6 months. By 4 months many formula-fed babies are comfortable with 5–6 feedings a day instead of 8–12. The introduction of solid foods around 6 months further reduces reliance on milk feedings, though breast milk or formula remains the primary nutrition source through the first year. Always let your baby's growth curve and your pediatrician's guidance lead these transitions rather than a rigid schedule.