Baby Feeding Schedule
Calculate formula feeding amounts
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Baby Feeding Schedule helps you calculate formula feeding amounts — free, instant, in your browser. Just enter Age (weeks), Weight (kg) and Feedings/Day; Baby Feeding Schedule updates the result as you type. The answer from Baby Feeding Schedule arrives with its working attached. That makes Baby Feeding Schedule handy for quick estimates anywhere. Nothing is uploaded while Baby Feeding Schedule works, and the figures stay put. Baby Feeding Schedule handles baby feeding schedule the same way as free online baby feeding schedule calculator — one of the Parenting & Family tools on CalcProMaster. Baby Feeding Schedule goes from question to answer fast. Baby Feeding Schedule answers the next Parenting & Family question you meet.
How much should my baby feed, and how often?
The common guide is about 150 ml per kilogram of body weight per day, split across the number of feeds. So the daily total follows weight, and the amount per feed falls as the number of feeds rises — which is why a heavier baby on more feeds can still take a familiar bottle size.
That is roughly 750 ml a day, around 150 ml per kilogram, with a feed about every three hours.
The formula
The tool uses the common rule of thumb:
Daily volume = weight (kg) × 150 ml, then per feed = daily volume ÷ feeds per day.
5 × 150 = 750 ml; 750 ÷ 8 = 93.75 ml, shown as 94 ml.
Worked examples
5 kg, 8 feeds → 94 ml per feed
4 kg, 8 feeds → 75 ml
6 kg, 6 feeds → 150 ml
3.5 kg, 10 feeds → 53 ml
Where 150 ml per kilogram comes from
It is a middle figure from the range used in infant feeding guidance, roughly 120–200 ml per kilogram per day depending on age and whether the baby is formula or breast fed. Newborns take proportionally more in the first weeks and the amount per kilogram tends to fall as they grow, so a fixed multiplier is an approximation rather than a prescription.
Why you should not feed by this number alone
- Hunger cues are better. Rooting, hand-to-mouth movement and fussing indicate readiness; turning away and relaxing indicate fullness.
- Breastfed babies feed on demand. Nipple flow cannot be measured in millilitres, and intake varies between feeds.
- Growth is the real check. Weight gain along the centile line matters far more than the volume per feed.
- Prematurity and illness change things. A preterm baby needs a plan from the clinical team, not a formula from a calculator.
Treat the number as a sense check on a day of feeding — particularly useful if you are combination feeding and want to know roughly what a bottle should contain. Any concern about intake, weight or feeding should go to a midwife, health visitor or paediatrician.
The 94 ml per feeding comes from a daily volume tied to weight, split across eight feeds, so it is a planning figure rather than a prescription. Breastfed and formula-fed babies differ in how much they take and how often, and appetite varies day to day. Responsive feeding — watching for cues rather than pushing a fixed volume — matters more than hitting the number, and any concern about intake belongs with a health visitor rather than a calculator.
Frequently Asked Questions
How much should a 5 kg baby drink per feed?
About 94 ml across eight feeds a day, from the 150 ml per kilogram rule of thumb. That is roughly 750 ml in 24 hours.
Is 150 ml per kg per day correct for all babies?
No. Guidance spans roughly 120–200 ml per kilogram depending on age and feeding method, so use it as a middle estimate rather than a target.
How often should a newborn feed?
Eight to twelve times a day in the first weeks, which works out to roughly every two to three hours.
Does this apply to breastfeeding?
Only as a rough sense check. Breastfed babies feed on demand and intake cannot be measured in millilitres per feed.
What if my baby wants more or less?
Follow hunger and fullness cues. Persistently wanting much more or less is worth raising with your health visitor alongside weight checks.
Should I use this for a premature baby?
No. Preterm feeding volumes are set individually by the clinical team and this estimate does not account for corrected age or fortification.
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