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Both birthdates never leave this device.
No server, no tracking, no cookies, nothing saved. The calculation runs entirely
in your browser, and this page's security policy physically blocks all network
connections. You can disconnect from the internet and it still works.
Life Path compatibility
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What each number means
The match rating blends how the two Life Paths support each other:
85%+ naturally harmonious ·
70–84% warm ·
55–69% workable with effort ·
below 55% a growth-stretching pair.
How the numbers are worked out
Your Life Path number is found by reducing each part of the birth date to a single
digit (or a master number), then adding them and reducing once more:
- Reduce the month, the day, and the year separately
(e.g. 1990 → 1+9+9+0 = 19 → 1+9 = 10 → 1).
- Add the three results and reduce again to a single digit.
- 11, 22 and 33 are master numbers — they are never reduced further.
Compatibility is read from how the two Life Paths relate: numbers that share a drive
(independence, harmony, structure, freedom, service) reinforce each other; numbers pulling in
opposite directions ask for more compromise. The percentage is a synthesis of those
traditional pairings, not a precise measurement.
More private, offline compatibility tools: