Looking for something a little deeper than a name match? This love calculator by date of birth uses both of your birth dates to work out each person’s life path number, then compares the two for a playful compatibility score.
Pop in your date of birth and your partner’s (names are optional), press Calculate, and you’ll see a compatibility score and a fun message. You can try any pairing — friends, crushes, family — whatever you’re curious about. Prefer an astrological angle? Try the Moon Sign Love Calculator too. And if you need your exact age, our Age Calculator works it out from the same birth date.
Everything runs right here in your browser, so it’s completely private — and remember, it’s just for fun. Real relationships are far more interesting than any formula.
Calculated in your browser — nothing is sent or stored.
Results are for entertainment purposes only.
Frequently asked questions about this love calculator by date of birth
Is this love calculator by date of birth accurate?
Not in any scientific sense — it’s a bit of fun based on the numerology idea of life path numbers. Treat the percentage as a conversation starter, not a verdict on your relationship.
How is the love percentage calculated?
Each birth date is reduced to a single life path number (1–9) by adding up its digits. The score compares how close the two life path numbers are, along with the months and days of both dates, and the result is clamped between 5% and 99%. The same dates always give the same score.
Is my data stored anywhere?
No. Everything runs in your browser — your names and dates are never sent to a server or saved anywhere. Close the page and they’re gone.
Why use birth dates instead of names?
Names can be spelled many ways, but a birth date is fixed. In numerology each date carries a life path number, which this tool uses as the basis for its comparison — a different angle from the classic love calculator by name.