A 5-month-old typically drinks 24 to 32 ounces of breast milk per day, spread across about six to seven feedings. That works out to roughly 3 to 5 ounces per feeding session, though every baby varies. If you’re pumping and bottle-feeding, these numbers help you plan portions. If you’re nursing directly, volume matters less than watching your baby’s hunger and fullness cues.
Daily Totals and Per-Feeding Amounts
Between about 3 weeks and 6 months of age, breast milk intake levels off at 24 to 32 ounces per day. Unlike formula intake, which tends to climb steadily as babies grow, breast milk volume stays relatively flat during this window. The milk itself changes in composition to meet a growing baby’s nutritional needs, so your baby doesn’t necessarily need more ounces at 5 months than they did at 3 months.
Each feeding typically falls in the 3 to 5 ounce range. A 5-month-old’s stomach can hold about 6 to 7 ounces, but most babies don’t fill it completely at every meal. If you’re preparing bottles of pumped milk, starting with 3 to 4 ounces and offering more if your baby still seems hungry helps reduce waste.
Estimating Intake by Weight
For younger babies (under about 4 months), a common rule of thumb is 2.5 ounces of breast milk per pound of body weight per day. A 14-pound baby, for example, would need around 35 ounces. By 5 months, though, this formula starts to overestimate because breast milk intake plateaus rather than continuing to scale with weight. The 24 to 32 ounce daily range is a more reliable guide at this age.
To figure out bottle size when pumping, divide your baby’s total daily intake by the number of feedings. If your baby eats seven times a day and takes about 28 ounces total, that’s 4 ounces per bottle. Simple math, but it keeps portions consistent and helps caregivers know what to expect.
Feeding Frequency at 5 Months
Most 5-month-olds nurse about six to seven times in 24 hours, including one or two overnight feeds. Some babies consolidate into fewer, larger feedings, while others prefer smaller, more frequent sessions. Both patterns are normal. The CDC notes that breastfed infants may nurse as often as 8 to 12 times daily, particularly during the earlier months, but by 5 months the pace has usually slowed.
Spacing between feedings often stretches to every 3 to 4 hours during the day. Overnight gaps may widen to 5 or 6 hours for some babies, though plenty of 5-month-olds still wake to eat at least once during the night.
Growth Spurts and Temporary Changes
Growth spurts commonly hit around 3 months and again near 6 months, so your 5-month-old may be heading into one. During a spurt, babies often want to nurse more frequently, sometimes as often as every 30 minutes. This can feel relentless, but it typically lasts only two to three days. The extra nursing signals your body to increase milk production to match your baby’s growing needs.
If your baby suddenly seems hungrier than usual but is otherwise healthy, a growth spurt is the most likely explanation. Offering the breast more often during this stretch is the most effective response. Your supply will catch up within a few days.
How to Tell Your Baby Is Getting Enough
When you’re nursing directly, you can’t measure ounces. Instead, look at what comes out the other end. After the first week of life, a breastfed baby who is getting enough milk produces at least six wet diapers per day. Stool frequency varies more widely at 5 months. Some babies poop several times a day, others go several days between bowel movements, and both can be perfectly normal at this age.
Steady weight gain is the most reliable indicator. Your pediatrician tracks this on a growth curve at well-child visits. Between 4 and 6 months, most babies gain about 3.5 to 5 ounces per week. A baby who is gaining weight on a consistent curve, producing plenty of wet diapers, and seems satisfied after feedings is almost certainly getting enough milk, regardless of what the exact ounce count might be.
Hunger and Fullness Cues
Your baby tells you when they’re hungry and when they’ve had enough. Hunger cues include fists moving toward the mouth, head turning to search for the breast, lip smacking, and sucking on hands. Crying is a late hunger sign, not the first one. Catching earlier cues makes feeding smoother for both of you.
Fullness looks like releasing the breast, turning away from the nipple, relaxing the body, and opening previously clenched fists. If your baby shows these signs after only 2 ounces from a bottle, they’re done. Pushing them to finish a predetermined amount can lead to overfeeding.
What About Starting Solids?
Many parents start thinking about solid foods around 5 months. Current guidelines recommend introducing solids around 6 months, though some babies show readiness signs earlier (sitting with support, showing interest in food, loss of the tongue-thrust reflex). Solids should not be introduced before 4 months.
If your baby has started sampling small amounts of pureed food, breast milk should still be the primary source of nutrition. Offer the breast or a bottle before solids so your baby fills up on milk first. At this stage, solid food is about exploration and practice, not calories. You won’t see a meaningful drop in milk intake until closer to 9 or 10 months, when solids become a larger part of the diet.
Pumped Milk: Practical Tips for Portions
If you’re sending bottles to daycare or leaving milk for a caregiver, 3 to 4 ounce bottles are a safe starting point for a 5-month-old. Smaller portions reduce the chance of wasting expressed milk. A caregiver can always offer a second small bottle if the baby is still hungry.
Breast milk storage bags or bottles should be labeled with the date and amount. Freshly pumped milk lasts up to 4 hours at room temperature, 4 days in the refrigerator, and about 6 to 12 months in a deep freezer. When thawing, use the oldest milk first and never refreeze thawed breast milk. Warming is optional. Many babies accept cold or room-temperature milk just fine.