Skip to content

Valentine's Day 2027

Valentine's Day size for a baby born in March

A baby born in March 2026 will be about 11 months old on Valentine's Day, February 14, 2027.

  • Carter's12M
  • Old Navy6-12M
  • Cat & Jack12M
  • babyGap6-12M

Typical size that day: about 20 lb and 29 in.That's winter. Think long sleeves, footed pajamas, and warm layers.

Worked out for a birth date in the middle of March, a baby in the middle of the WHO growth chart, and room to grow. A birthday early or late in the month, or a baby who is longer or lighter than average, can land a size apart. The calculator below uses the exact date and your measurements. Last updated October 10, 2026.

Born March 2026: 11 months old on Valentine's Day

Typical size: about 20 lb, 29 in long.

Born March 2025: 23 months old on Valentine's Day

Typical size: about 25.6 lb, 34 in long.

Born March 2024: 2 years, 11 months old on Valentine's Day

Typical size: about 30.7 lb, 37.4 in tall.

Born March 2023: 3 years, 11 months old on Valentine's Day

Typical size: about 35.4 lb, 40.3 in tall.

Exact answer

Enter the exact birth date

Baby is
How should we size this?

Baby's latest measurements

For the growth chart

Only used to choose the growth curve. Not sure uses the average of both.

What is the occasion?

Which brands?

Fit preference

When baby lands between two sizes, room to grow picks the larger one.

Start with a birth or due date

Sizes for each brand you pick will appear here, ready for the date you choose.