Calculators

Estimate an age-appropriate baby nap duration based on baby’s age, awake time before the nap, sleep cues, and sleep environment. This calculator provides a suggested nap length in minutes for a single nap.

Estimate your baby’s next nap timing based on age, time since waking, last nap length, and sleep cues. The calculator returns a recommended time remaining until the next nap.

Estimate a newborn’s total daily sleep based on age, number of naps, average nap length, and average nighttime sleep between feeds.

Estimate a baby’s total daily sleep by combining nighttime sleep, naps, and night wakings for a full 24-hour sleep total.

Estimate a baby’s total daily sleep hours based on age, number of naps, average nap length, and average nighttime sleep.

Estimates an infant’s recommended total daily sleep based on age, number of naps, average nap length, and overnight sleep duration.

Estimate a baby’s recommended total daily sleep based on age, number of naps, average nap length, and overnight sleep.

Estimate the total amount of breast milk available for donation over a period based on daily pumping, the share kept for personal use, and the number of donation days.

Estimate how much money you can save by breastfeeding instead of using infant formula, based on your baby’s age, daily formula intake, formula cost, breastfeeding duration, and optional pumping supply costs.

Estimate how many breast milk storage bags you may need based on daily pumping output, average amount stored per bag, freezer stash goal, and number of days you want to store milk.

Estimate average daily breast milk production based on pumping sessions, average milk per session, baby age, and whether feeding is exclusive breastfeeding or mixed feeding.

Estimate total breastfeeding time per day based on the baby’s age, number of feeding sessions, average minutes per session, and whether the baby is cluster feeding.

Estimate total breastfeeding duration in months based on your baby’s current age, your planned age to stop breastfeeding, how many feeds happen each day, and whether breastfeeding is exclusive or partial.

Estimate average breastfeeding sessions per day based on infant age, number of overnight feeds, average daytime interval between feeds, average feed duration, and feeding pattern.

Estimate a suggested daily water intake for a breastfeeding parent based on body weight, breastfeeding frequency, climate, and activity level.

Estimate additional daily calories needed while breastfeeding based on postpartum stage, breastfeeding intensity, baby age, and your current body weight. This calculator provides an approximate number of extra calories per day to help support milk production and energy needs.

Estimate safe thawing time for frozen breast milk based on storage amount, container type, thawing method, and starting freezer temperature.

Estimate how many ounces of breast milk to put in each bottle based on the baby’s age, number of feedings per day, daily milk intake guideline, and whether the bottle is intended as a daytime feed or a bedtime feed.

Estimate total breast milk needed based on feedings per day, amount per feeding, number of days, waste allowance, and baby age adjustment.

Estimate how many milk storage bags or containers you need based on daily expressed milk, storage duration, average container size, and a freezer storage buffer.

Estimate how many days your frozen breast milk stash will last based on total stored milk, your baby’s daily intake, and any fresh milk pumped per day that offsets freezer use.

Estimate the recommended number of pumping sessions per day based on your baby’s age, feeding method, milk supply goals, and hours away from baby.

Estimate the recommended number of daily pumping sessions based on baby age, milk supply goal, time away from baby, and overnight sleep stretch.

Estimate total pumping output per session based on pump flow rate, operating time, efficiency, hose size, and fluid thickness.

Estimate daily breast milk supply based on pumping sessions, average output per session, baby’s age, and breastfeeding frequency.

Estimate how many breast milk bottles your baby may need in a day based on age, daily milk intake, bottle size, and whether your baby is exclusively bottle-fed or combination-fed.

Estimate how much expressed breast milk is needed based on baby weight, feeding frequency, hours away, and a storage buffer.

Estimate the annual cost of infant formula based on daily servings, powder used per serving, package size, package price, and monthly feeding wastage.

Estimate a baby’s daily breast milk intake based on age, weight, feeding frequency, and feeding type. This calculator provides an approximate total daily intake in ounces for healthy infants and is not a substitute for pediatric guidance.

Estimate the amount of prepared formula needed per feeding based on baby’s age, weight, daily feedings, and target preparation duration.