Formula Feeding Calculator

As a parent, deciding how to feed your newborn is one of the most critical decisions you’ll ever make. Breastfeeding is commonly recommended as the best way to provide essential nutrients for your baby, but for some parents, formula feeding is the better option.

Formula feeding has its benefits, such as convenience and control over the baby’s intake. However, deciding how much formula to give can be challenging for first-time parents. That’s where formula feeding calculators come in. In this article, we will explore the benefits of formula feeding calculator and why it’s important for parents to use them.

What is a Formula Feeding Calculator?

A formula feeding calculator is a tool that helps parents determine how much formula to give their baby based on their weight and age. It’s a simple tool that requires you to input the baby’s weight and age, and the calculator will provide you with the recommended amount of formula per feeding.

Benefits of Using a Formula Feeding Calculator

  1. Helps Parents Determine the Correct Amount of Formula to Give

Using a formula feeding calculator ensures that your baby is getting the correct amount of formula per feeding. This is important because overfeeding can lead to weight gain and other health issues.

  1. Saves Time and Effort

With a formula feeding calculator, parents don’t need to guess how much formula to give their baby. Instead, they can quickly and easily calculate the appropriate amount of formula, saving time and effort.

  1. Provides Consistency in Feeding

Using a formula feeding calculator ensures that your baby is getting a consistent amount of formula at each feeding. This is important because babies thrive on consistency, and it helps regulate their hunger and satiety cues.

  1. Helps Identify Potential Issues

If a baby consistently refuses to finish the recommended amount of formula or seems hungry after feeding, it could indicate an issue with digestion or other health concerns. Using a formula feeding calculator can help identify these issues and allow parents to seek medical attention if needed.

  1. Reduces Stress and Anxiety

As a new parent, it’s natural to feel stressed and anxious about your baby’s well-being. Using a formula feeding calculator can reduce some of that stress by providing you with a clear and straightforward way to determine how much formula to give your baby.

Frequently Asked Questions (FAQs)

Q1. How often should I feed my baby formula? A1. It depends on the baby’s age and weight. Generally, newborns need to be fed every 2-3 hours.

Q2. How do I know if my baby is getting enough formula? A2. Watch for signs of hunger, such as sucking on their hands or fussiness, and monitor their weight gain. If you are concerned, consult with your pediatrician.

Q3. Can I mix breast milk and formula? A3. Yes, you can mix breast milk and formula if necessary.

Q4. How long does formula last once prepared? A4. Prepared formula should be used within one hour of preparation and should not be refrigerated or reheated.

Q5. How do I choose the right formula for my baby? A5. Consult with your pediatrician to determine the best formula for your baby based on their nutritional needs and any health concerns.


In conclusion, a formula feeding calculator is a valuable tool for parents who choose to formula feed their baby. It provides an easy way to determine the correct amount of formula per feeding, ensures consistency in feeding, and helps identify potential issues. By using a formula feeding calculator

About formula feeding

The formula feeding calculator determines recommended formula amount by taking into account the age and weight of the baby. It uses the guidance in the below table and considers the 67 calories per 100 mL of standard infant formula.

Please note that these recommendations could be affected if the infant has been diversified and also eats solids.

Preterm180ml per kilogram per day.
5 days to 3 months150ml per kilogram per day.
3 to 6 months120ml per kilogram per day.
6 to 9 months100ml per kilogram per day.
9 to 12 months60-90ml per kilogram per day.

Source: National Health & Medical Research Infant Feeding Guidelines. 2013, page 79.

Whilst the 24h quantity of formula depends largely on the baby’s weight, there are also guidelines on the amount to be given with each feed, and these vary with baby’s age (according to digestive capacity):

up to 2 weeksaround 70 ml
up to 1 month75 – 105 ml
between 1 and 3 months110 – 150 ml
between 3 and 4 months150 – 220 ml
between 4 and 6 months200 -210 ml
after 6 months150-200 ml


Unicef UK. (2007) Health Profesional’s guide.

Stuebe A. (2009) The Risks of Not Breastfeeding for Mothers and Infants Rev Obstet Gynecol; 2(4): 222–231


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