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Age Difference Calculator

Write down the ages of the first and second person or anything in the respective boxes. The calculator will calculate the age difference among them.


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Age difference calculator helps you to calculate the age gap (difference) between the ages of two persons or anything.

Try this age gap calculator to calculate the absolute difference (gap) in age chronologically and specifies which entity is older.

Remember that this year difference calculator finds year differences on the basis of birth dates of persons or anything.

Half Your Age Plus Seven Rule:

This age difference rule helps the couples in regards to acceptance socially of the big relationship gap. It simply states that one should never date an individual under half their age plus 7 years.

For example:

If you are 24 years then you can feel free to be with who is 19(12+7) not with 18.

You can also try this online love calculator that helps you to estimate the relationship compatibility between two people.

Remember that if both dates are the same then there is no difference in ages. Our age difference calculator taking the difference between the two dates, months, and years to calculate the actual difference between the given ages.

For example:

Elia bornin 1988 and John bornin1991, then Elia is 3 years older than John.

Maximum Age Rule:

The maximum age of a partner is minus seven times two of your age.

For example:

If you are 30 then your partner's maximum age is 46(23*2).

Does The Rule Work For Women?

The age difference rule seems to work for men but the maximum age rule failed for age-related preferences.

Age Comparison Between Two Celebrities:

It would be interesting to know the age gap between the two celebrities. You can now easily figure out the difference of age between any two celebrities of cricket, hockey, basketball, tennis or any other sports players, billionaires, politicians, dancer, model, all you need to have an idea about their date of birth and then, simply add the values into the age gap calculator to obtain the exact comparison between two celebrities of your choice.

For example:

The age difference between the famous soccer player Lionel Messi and his wife Antonella Roccuzzo is 8 Months and 2 days.

How Our Calculator Works:

Our age difference calculator performed calculations accurately and this tool is 100% free and efficient. Now, just follow the given steps to get precise measurements.

Read on!


  • First of all, you have to enter the birthday of the first person in the designated field
  • Then, add the birth date of the second person into the designated field
  • Finally, hit the calculate button to get the difference of age between two things


The age gap calculator will show you:

  • The age difference between the two persons in days months and years.
  • Tells which person in older and how much older than the other.
  • Also, calculate the exact age’s of both persons in years, months, and days

How to Figure Out Age Difference Manually (step by step):

These are the steps that help you to calculate age differences:

  • Firstly, write both dates below each other in (dd,mm,yyyy) format.
  • Then, subtract date from date.
  • Now, minus month from month.
  • Finally, do the same for the years.

Note: If the number which is to be subtracted is greater, then you have to borrow from others. You borrowed from month to days it gives 30 days. And if you borrowed from years to months then borrow 12 months to month.

Frequently Ask Questions(FAQ’S):

What is an acceptable age gap?

The gap we get from age divided by 2 plus 7 rule is a socially acceptable age gap. This totally depends on this rule to have a gap that is accepted socially.

Is a 11 years age difference is too much?

The age gap of more than 10 years in couples often has some problems.

Is age difference a big deal?

It is very common to have a relationship with one who is a few years elder or younger. But sometimes the age gap is not a big deal as sometimes maturity level matches when ages don’t.

What is a good age difference in relationship?

Scientists revealed that the perfect age gap for the couple is 1 year (probably an age gap of 1 to 3 years and the same age is also in this group). Breaking up the chance of this group is 3%. So, use our age difference calculator to find out the exact difference between age in your relationship.


From the authorized source of ncbi: How Does the Age Gap Between Partners Affect Their Survival

From the source of new republic: Science Does Not Support the 'Rule of Seven' for Relationships    

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