Can it calculate future ages?

Yes, you can set the "Calculate at" date to any point in the future.

Does it account for leap years?

Yes, leap years are automatically factored into the calculations.

Find your exact age in years, months, and days.

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Date of Birth

Calculate age at

See how old you are down to the day and minute. Check upcoming birthdays and milestones fast.

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Your files and data are processed locally in your browser memory. Never uploaded to remote servers.

Zero Login Required

Instant access with no account, no email sign-up, no passwords, and no subscription paywalls.

Instant Speed

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Zero data retention, no user tracking cookies, and GDPR/HIPAA friendly. Your data remains strictly yours.

All Devices Ready

Fully responsive on desktop, tablet, and mobile devices without installing software or extensions.

Count days, weeks, and months between two dates.

Create live countdowns for birthdays and events.

Count working business days between two dates.

Add or subtract days, weeks, and months from a date.