Find out exactly how long you have been together — in years, months, weeks, days, hours, and even seconds.
Get your next anniversary date, milestone name, and a full countdown instantly.
How to Use This Anniversary Calculator
- Select what you are celebrating — wedding, relationship, friendship, business, or sobriety
- Enter your start date using the day, month, and year dropdowns
- The “Calculate As Of” field is set to today by default
- Click Calculate Anniversary
What This Calculator Shows You
- Exact time together in years, months, days, hours, minutes and seconds
- The day of the week your special date fell on
- Your current anniversary milestone and its traditional name
- Your next anniversary date and how many days away it is
- A full list of upcoming milestones from Paper to Diamond
Wedding Anniversary Names List
Every wedding anniversary year has a traditional name. Here are the most celebrated ones:
- 1st — Paper Anniversary
- 5th — Wood Anniversary
- 10th — Tin Anniversary
- 15th — Crystal Anniversary
- 25th — Silver Anniversary
- 40th — Ruby Anniversary
- 50th — Golden Anniversary
- 60th — Diamond Anniversary
Frequently Asked Questions
What is a wedding anniversary calculator? A wedding anniversary calculator tells you exactly how long you have been married, your current anniversary year, the traditional name for that milestone, and how many days until your next anniversary.
How do I calculate my relationship anniversary? Simply select “Relationship” as the occasion, enter the date you officially got together, and click Calculate. The tool shows your exact time together down to the second.
What is the 25th wedding anniversary called? The 25th wedding anniversary is called the Silver Anniversary. It is one of the most celebrated milestones in a marriage.
What is the 50th wedding anniversary called? The 50th wedding anniversary is called the Golden Anniversary. Reaching 50 years of marriage is considered one of the greatest life achievements.
Is this anniversary calculator free? Yes, completely free. No sign up, no login, no limits.
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Last updated: March 2026 · Free tool by ThatsTheTool.com