A 6-month-old typically drinks 24 to 32 ounces of breast milk or formula per day, spread across 4 to 6 feedings. The exact amount depends on whether your baby is breastfed or formula-fed, how much solid food they’ve started eating, and their individual appetite.
Formula-Fed Babies: Daily Totals
At 6 months, most formula-fed babies take 6 to 8 ounces per bottle across 4 or 5 feedings in a 24-hour period. That puts the daily total somewhere between 24 and 32 ounces for most infants. Babies receiving around 32 ounces or more of formula per day don’t need a separate vitamin D supplement, since the formula itself provides enough.
You don’t need to hit an exact number every day. Some days your baby will drain every bottle, and other days they’ll leave an ounce or two behind. What matters is that the overall pattern stays consistent and your baby is gaining weight steadily.
Breastfed Babies: What to Expect
Breastfed 6-month-olds consume roughly 18 ounces or more per day, typically taking 3 to 4 ounces per feeding session. That number can look lower than formula amounts, and it’s normal. Breast milk is digested faster and more efficiently than formula, so breastfed babies often feed more frequently in smaller volumes.
If you’re pumping and bottle-feeding breast milk, those per-feeding amounts give you a useful target. If you’re nursing directly, you obviously can’t measure the volume, so tracking wet diapers and growth is the more practical way to confirm your baby is getting enough.
How Stomach Size Limits Each Feeding
A 6-month-old’s stomach holds about 7 ounces. Between 6 and 9 months that capacity stretches to roughly 7 to 8 ounces. This is why pediatric guidelines cap individual feedings at around 8 ounces. Offering more than that in a single sitting won’t help your baby take in more nutrition. It’s more likely to cause spit-up or discomfort. Smaller, more frequent feedings work better than trying to pack extra ounces into fewer bottles.
How Solid Foods Change the Math
Six months is the age when most babies start complementary foods like pureed vegetables, fruits, and iron-fortified cereals. At this stage, breast milk or formula remains the primary source of nutrition. Solids are an addition, not a replacement.
In practice, this means you shouldn’t cut back on milk to make room for solids. Most families find that offering milk first and solids afterward (or between milk feedings) keeps total milk intake steady. Over the coming months, solid foods will gradually make up a larger share of your baby’s diet, and milk volumes will naturally decline. But at 6 months, that shift is just beginning.
Signs Your Baby Is Getting Enough
The most reliable day-to-day indicator is wet diapers. A well-hydrated 6-month-old produces several wet diapers throughout the day. Fewer wet diapers than usual, sunken eyes, a sunken soft spot on the top of the head, few or no tears when crying, or unusual drowsiness and irritability can all signal dehydration and inadequate intake.
Beyond diapers, your baby’s weight gain over time tells the fuller story. Pediatricians track growth on a percentile curve at well-child visits. A baby who stays on or near their own curve is almost certainly getting enough milk, even if daily ounces vary.
Recognizing Fullness Cues
Six-month-olds are surprisingly good at communicating when they’ve had enough. Your baby may push the bottle away, close their mouth, turn their head to the side, or use hand motions and sounds to signal they’re done. Trusting these cues is more reliable than fixating on finishing a specific number of ounces per feeding. Forcing a baby past fullness can override their natural appetite regulation and lead to overfeeding.
Night Feedings at 6 Months
Many 6-month-olds still wake for one or two nighttime feedings, especially breastfed babies. Formula-fed babies at this age are less likely to wake from genuine hunger, since formula digests more slowly and keeps them full longer. For formula-fed infants, 6 months is a reasonable time to start phasing out night feeds if your pediatrician agrees and your baby is growing well. Breastfed babies may continue needing a nighttime feeding a bit longer, and those sessions still count toward their daily total.
If your baby is waking frequently at night but eating very little each time, hunger probably isn’t the reason. Comfort, habit, or developmental changes (like learning to roll or sit) are more common causes of disrupted sleep at this age.