Effective date: April 27, 2026
Informational use only
How Old Calculator provides simple informational date-math tools. Results are for convenience and general reference, not legal, medical, financial, governmental, educational, or professional advice.
No official determinations
Age-based eligibility rules vary by jurisdiction, institution, policy, and context. Verify requirements with the responsible organization.
Acceptable use
You may use the site for personal, educational, and general reference purposes. You may not misuse the site, attempt to disrupt its operation, or copy the site at scale.