← All posts
Age Calculator: Exact Age from Any Birthdate
Tooly · 2026-08-02 · 4 min read
Forms ask for it, milestones celebrate it, and math struggles with it — age from a birthdate. Leap years and month lengths make it trickier than it looks, but a free age calculator computes it exactly: years, months, and days. No signup, nothing uploaded.
What an age calculator gives you
- Exact years, months, and days — the precise breakdown from birthdate to today
- Total days lived — fun fact for milestones
- Any date, not just today — plan for a future birthday or milestone
- Leap years handled — no manual corrections needed
Calculate age free with Tooly
The Tooly Age Calculator makes it instant:
- Enter the birthdate (and optionally a target date)
- See the exact age in years, months, and days immediately
- Accurate across leap years and irregular month lengths
- Free, no signup, runs in your browser
When you'll use it
- Filling out forms that need exact age or birthdate math
- Planning milestone celebrations and anniversaries
- Verifying age requirements (signups, benefits, registrations)
- Business — contract ages and tenure calculations
Frequently Asked Questions
Is this age calculator really free? Yes — unlimited calculations, no account, no watermark.
Does it handle leap years correctly? Yes — the calendar math is accurate across leap years and varying month lengths.
Is my data private? Everything runs in your browser — the birthdate never leaves your device.
What else should I check? The Date Difference Calculator measures any two dates, and the BMI Calculator handles health tracking.
← Back to all posts