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Relationship Calculator Chart & Online C
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Three-Step Relationship Calculator

Step

1

To determine the relationship between you and another person, first determine who your MRCA (most recent common ancestor) is. If you need help, try this worksheet. Otherwise, continue to step 2.

Step

2

Select YOUR relationship to the MRCA from this list:

Step

3

Next, tell us the other person's relationship to your MRCA:

See results below! (Click "Reset" to clear the selections and calculate another relationship!)

Sibling

Niece/Nephew

Grandniece/Grandnephew

Great Grandniece/Grandnephew

2nd Great Grandniece/Grandnephew

3rd Great Grandniece/Grandnephew

4th Great Grandniece/Grandnephew

5th Great Grandniece/Grandnephew

6th Great Grandniece/Grandnephew

7th Great Grandniece/Grandnephew

8th Great Grandniece/Grandnephew

9th Great Grandniece/Grandnephew

10th Great Grandniece/Grandnephew

11th Great Grandniece/Grandnephew

12th Great Grandniece/Grandnephew

13th Great Grandniece/Grandnephew

14th Great Grandniece/Grandnephew

15th Great Grandniece/Grandnephew

16th Great Grandniece/Grandnephew

Relationship:

Looking for the old version of Relationship Calculator? Click here.

See more useful tools and resources below!

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