Baby Cost Calculator

Formula Cost Calculator

Estimate formula costs using the price of the product you actually buy and the amount of prepared formula your baby uses.

How this formula cost calculator works

Formula prices differ by product, package size, format, retailer, and location. Instead of assuming one national formula price, this calculator derives a cost per prepared ounce from the price and prepared yield of the product you enter. Get the prepared-ounce yield from the actual product label rather than trying to convert powder weight or scoops yourself.

Daily formula amounts are also entered by you because babies' needs and feeding patterns differ. Separate 0–6 month and 6–12 month fields let you plan for a change in formula use during the first year. If you combination-feed, enter only the average prepared formula ounces your baby actually receives each day; the calculator does not estimate what percentage of feeding comes from breast milk.

This is a cost-planning tool, not feeding guidance.

Calculation method
Cost per prepared ounce = package price ÷ prepared ounces from the package
Average days per month = 365 ÷ 12
Monthly cost for each age period = daily prepared formula ounces × average days per month × cost per prepared ounce
Six-month cost for each age period = that period's monthly cost × 6
First-year estimate = 0–6 month six-month cost + 6–12 month six-month cost

Why there is no default feeding amount

The CDC explains that every baby is different and that feeding amount and frequency depend on the baby's needs. Feeding patterns change as babies grow, and formula intake may decrease from 6–12 months as other foods are gradually introduced. This calculator does not turn general feeding information into a default. Enter your baby's actual formula intake when known, and discuss feeding questions with your child's healthcare professional. See the CDC's formula-feeding guidance.

Use the product label for preparation and yield

Different formula formats and products have specific preparation instructions. Follow the manufacturer's label directions and base the prepared-ounce yield on the actual product label. This calculator does not provide mixing instructions or calculate yield from powder weight. Do not change the amount of water, powder, or concentrate to alter the estimated cost. See the FDA's information for parents and caregivers and formula-handling information.

Worked example

Example only — not an average, recommendation, or feeding guideline: A package costs $30 and makes 200 prepared ounces. The planning amounts are 24 prepared ounces per day for 0–6 months and 20 prepared ounces per day for 6–12 months. These amounts demonstrate the arithmetic only.

$30 ÷ 200 = $0.150 per prepared ounce
365 ÷ 12 ≈ 30.42 average days per month (the calculator uses the unrounded value)

0–6 months

24 × 30.42 × $0.15 ≈ $109.50 per month
$109.50 × 6 = $657.00 for six months

6–12 months

20 × 30.42 × $0.15 ≈ $91.25 per month
$91.25 × 6 = $547.50 for six months

Estimated first-year example: $657.00 + $547.50 = $1,204.50.

These numbers demonstrate the math only. They are not recommended feeding amounts or typical formula prices. Enter your own product information and planning amounts.

What is not included

The calculator does not automatically include bottles or nipples, bottle-cleaning supplies, water costs, shipping, sales tax, coupons, subscriptions, retailer memberships, product waste, discarded leftover formula, insurance coverage, WIC benefits, other assistance, or medical or specialty feeding needs. If discounts or assistance affect what you pay, enter your actual out-of-pocket package price. The calculator does not determine WIC or insurance eligibility.

Specialty formula and product changes

Selecting “Specialty or other” does not insert a price or change the calculation. The estimate still relies entirely on the package price and prepared-ounce yield you enter. Questions about choosing or changing formula, including specialty products, should be discussed with your child's healthcare professional.

Last reviewed: August 10, 2026