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.
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