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Bottle Feeding Calculator

How many ounces should your baby eat? Get a personalized schedule by age and weight.

Your baby's feeding

For more personalized math.
Total daily intake
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Your schedule
Per feed
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Feeds per day
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Hours between
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Nipple stage
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Sample schedule (starting 7:00 AM)
    Watch hunger cues, not the clock. Cluster feeding (more feeds, closer together) is normal during growth spurts at 2–3 weeks, 6 weeks, 3 months, and 6 months.

    Tip for this stage

    How feeding amounts actually work

    • The 2.5-oz-per-pound rule: a healthy formula-fed baby needs roughly 2 to 2.5 ounces per pound of body weight per day, capped at about 32 ounces.
    • Breastfed babies typically take 1 to 1.5 ounces per hour between feeds, so 3 hours apart = 3–4.5 oz per feed.
    • Total per day matters more than per-feed. Some babies cluster (more feeds, less per feed); others space out.
    • Once solids start at 6 months, formula intake gradually drops as solids increase. By 12 months most babies are on 16–24 oz/day.
    • Watch wet diapers (6+ a day) and weight gain at well-checks. Those are the real signals, not the bottle math.

    Frequently asked

    For formula: about 2 to 2.5 oz per pound of body weight, capped at 32 oz/day. For breastmilk: about 1 to 1.5 oz per hour between feeds. These are starting points. Your baby's actual needs may vary based on growth spurts and individual differences.

    Prepared formula sits safely at room temperature for 1 hour. Once your baby starts drinking, the bottle should be used within 1 hour or discarded. Refrigerated prepared formula keeps for up to 24 hours.

    Move up when your baby gets frustrated at the bottle, takes more than 20 minutes per feed, or sucks vigorously without much milk coming out. Most babies move from Stage 1 to Stage 2 around 3 months.

    The reliable signs: 6+ wet diapers per day, regular weight gain at well-checks, and your baby is content between feeds. Per-feed amounts vary day to day. Total intake over 24 hours is what matters.

    A technique where you hold the bottle horizontally and pause every few sucks so the baby controls the pace. Mimics breastfeeding flow, prevents overfeeding, and helps with reflux. Especially important for combo-fed babies.

    These are averages. Half of babies fall above the range, half below. As long as your baby is gaining weight, has 6+ wet diapers per day, and seems satisfied between feeds, the per-feed amount is fine.

    No. These are general pediatric guidelines. If you have any concerns about your baby's feeding, weight gain, or development, talk to your pediatrician.

    Feeding ranges are based on the AAP's guidance for healthy term babies and standard pediatric practice (~2–2.5 oz formula per lb of body weight per day). Every baby is different. These are starting points, not strict rules. For medical concerns, talk to your pediatrician.