School-year planning
Free Preschool Age Calculator
A preschool age calculator finds a child's exact age on a chosen school cutoff date. Use it to compare age with general preschool, pre-K, and kindergarten starting ranges, then confirm the official local rule.
Exact calendar agePrivate in your browser
Exact age on the cutoff date
4 years, 10 months, and 17 days
Years
4
Months
10
Days
17
General age guidance
Preschool
Likely age-alignedPreschool programs commonly serve children age 3 and older, but each provider sets its own enrollment range.
Pre-K
Likely age-alignedPre-K programs commonly serve children age 4 and older, but each provider sets its own enrollment range.
Kindergarten
Not yet typicalThis child will reach the common age-5 starting point in about 2 months.
Planning guidance, not an eligibility decision
Cutoff dates, compulsory attendance, early entry, transitional kindergarten, and preschool requirements vary. Confirm the rule with the school, district, or provider before applying.
How it works
Calculate age for a school cutoff in four steps
Enter the child's birth date
Use the date shown on the child's official records.
Enter the school cutoff date
Use the exact date published by the preschool, pre-K program, state, or school district.
Choose a planning context
Select general planning, preschool, pre-K, or kindergarten to frame the result.
Review and confirm locally
Use the exact age and general guidance, then verify binding rules with the program or district.
Common questions
Preschool age calculator FAQ
What is a preschool age calculator?
A preschool age calculator finds a child's exact age on a chosen school cutoff date. It helps families compare that age with general preschool, pre-K, and kindergarten enrollment ranges.
What age do children usually start preschool?
Many preschool programs accept children around age 3 or 4, but providers set their own age, potty-training, and readiness requirements.
How do I check kindergarten cutoff eligibility?
Enter the child's birth date and the official cutoff date published by the school or district. Age 5 by the cutoff is common, but state and local rules vary.
Does this tool determine legal school eligibility?
No. It calculates age accurately and gives general planning guidance. Always confirm enrollment rules, exceptions, and required documents with the local program or school district.
How are leap-day birthdays handled?
For calendar-age calculations in non-leap years, a February 29 birthday is treated as reaching the next whole year on February 28. Local legal rules may use a different convention.
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