What does Age Calculator do that other Health pages on this site do not?

Uses the device calendar, or an optional as-of date. Time of day is ignored. Short version: Years, months, and days from a birth date.

Does Age Calculator upload my file or text to Tool-You servers?

No. Age Calculator runs in this browser tab. Files stay on the device. Limit note: Device calendar or as-of date. Ignores time of day. Future dates are rejected.

Should I use BMI Calculator instead of Age Calculator?

Use Age Calculator when you need Years, months, and days from a birth date. Use BMI Calculator when you need Body mass index in metric or imperial units. They share a category (Health) but not the same job.

What are the limits of Age Calculator?

Device calendar or as-of date. Ignores time of day. Future dates are rejected. Also: Uses the device calendar, or an optional as-of date. Time of day is ignored.

Age Calculator

Years, months, and days from a birth date.

Uses the device calendar, or an optional as-of date. Time of day is ignored.

What Age Calculator does

Uses the device calendar, or an optional as-of date. Time of day is ignored.

This URL is only for Age Calculator (health · age). Years, months, and days from a birth date. Other Health tools on Tool-You look similar in the chrome, so the job definition below is the part that belongs to Age Calculator alone: Uses the device calendar, or an optional as-of date. Time of day is ignored.

How to use Age Calculator

Confirm you need Age Calculator, not BMI Calculator (Body mass index in metric or imperial units.). Address: /health/age.
Enter the numbers or dates Age Calculator uses. Years, months, and days from a birth date.
Read the result as Age Calculator defines it — not as Baby Milestones (Baby milestones with full-month/100-day/year dates.). Uses the device calendar, or an optional as-of date. Time of day is ignored.
Age Calculator is an estimate in the browser, not professional advice. Device calendar or as-of date. Ignores time of day. Future dates are rejected.
Need a different formula? Try Baby Milestones (Baby milestones with full-month/100-day/year dates.) instead of stretching Age Calculator.

When not to use Age Calculator

Skip Age Calculator when a neighbor tool matches better — start with BMI Calculator or Baby Milestones — or when the description already warns the job will fail. In the tool’s own words: Uses the device calendar, or an optional as-of date. Time of day is ignored.

Questions about Age Calculator

What does Age Calculator do that other Health pages on this site do not?: Uses the device calendar, or an optional as-of date. Time of day is ignored. Short version: Years, months, and days from a birth date.
Does Age Calculator upload my file or text to Tool-You servers?: No. Age Calculator runs in this browser tab. Files stay on the device. Limit note: Device calendar or as-of date. Ignores time of day. Future dates are rejected.
Should I use BMI Calculator instead of Age Calculator?: Use Age Calculator when you need Years, months, and days from a birth date. Use BMI Calculator when you need Body mass index in metric or imperial units. They share a category (Health) but not the same job.
What are the limits of Age Calculator?: Device calendar or as-of date. Ignores time of day. Future dates are rejected. Also: Uses the device calendar, or an optional as-of date. Time of day is ignored.