Love Calculator with 10 Compatibility Factors
The Love Calculator measures relationship compatibility across 10 weighted factors instead of just matching two names. Enter both partners' details and it returns an overall percentage plus a factor-by-factor breakdown of where you align and where you differ.
Start with the basics — name, gender, and date of birth — for a baseline from three core factors. Then open the optional sections to add personality, values, lifestyle, and relationship details. The more you fill in, the more factors become active and the more meaningful your love score becomes.
How to Use the Love Calculator
Enter the required details
For both you and your partner, type each Name, pick a Gender (Male, Female, or Other), and choose a Date of Birth. This activates the three core factors: Name Harmony, Age Compatibility, and Zodiac Match.
Add optional details
Open any of the five collapsible sections — Physical Attributes, Personality & Communication, Values & Life Goals, Lifestyle, and Relationship — to unlock more factors. Each section shows a filled count so you can see your progress.
Calculate the score
Click Calculate Love or press Enter. The factor indicator bar shows how many of the 10 factors are active based on what you have filled in.
Review your results
See your overall compatibility percentage in an animated ring, a zodiac badge for both signs, a personalized message, and a detailed breakdown of every active factor. Use Swap to switch Person 1 and Person 2, Download Image to save the result card, or Try Again to start over.
The 10 Compatibility Factors
Each factor carries a weight reflecting how much it influences real relationship success, drawn from established relationship psychology. Values alignment and communication together account for the largest share of your score.
Name Harmony (3%)
A playful, algorithm-based read on how your two names resonate together — light-hearted, not scientific.
Age Compatibility (8%)
Scores the age gap between partners from each date of birth, with smaller gaps generally scoring higher.
Zodiac Match (5%)
Uses a traditional 12×12 zodiac compatibility matrix to rate astrological alignment between both sun signs.
Physical Match (8%)
Compares BMI from each partner's height and weight, with a small bonus for similar height.
Personality (12%)
Weighs how similar your personalities are and how open you each are emotionally.
Communication (15%)
Rates communication quality and how you handle conflict — strong signals of lasting compatibility.
Values & Goals (18%)
The highest-weighted factor. Aligns views on children, marriage, religion, and career, with children and marriage counted double.
Lifestyle (10%)
Checks alignment across sleep schedule, social preference, fitness, spending, and tidiness habits.
Relationship Health (13%)
A composite of relationship duration, breakup history, mutual trust, and feeling understood.
Distance (8%)
Factors in your living situation, since closer proximity supports more face-to-face time together.
More Tools in the Calculator
Factor Indicator
A live bar shows how many of the 10 factors are active so you know how complete your score is.
Animated Score Ring
Your overall percentage counts up inside a ring, with a per-factor breakdown and progress bars below.
Swap Partners
One click swaps all of Person 1 and Person 2's entries so you can compare from either side.
Download Image
Save your result card as a PNG to keep or share — the image is generated right in your browser.
Calculation History
Your recent calculations are saved locally; tap any entry to reload those names, or clear the list anytime.
Keyboard Shortcuts
Press Enter to calculate and Escape to reset — no buttons to reach for.
Frequently Asked Questions
How does the love calculator work?
You enter details for both partners and the calculator scores up to 10 factors — from name harmony and zodiac match to values, communication, and lifestyle. Each factor has a weight, and your final percentage is the weighted average of every active factor. Filling in more sections activates more factors for a fuller picture.
Is the love calculator accurate?
It is built for fun while drawing on real relationship research — the factors and their weights are inspired by findings about what predicts relationship satisfaction. That said, no calculator can capture the full reality of a human relationship, so treat your score as a lighthearted prompt for conversation rather than a verdict.
How is the love percentage calculated by name?
Your two names feed the Name Harmony factor through a fixed algorithm — the same pair of names always produces the same harmony score. Names alone, however, are only one small factor; your overall percentage also depends on age, zodiac, and any optional details you add, so identical names can land at different scores once you fill in more.
Why do Values and Communication carry the most weight?
Research repeatedly finds that shared values — especially about children and marriage — and the quality of communication are among the strongest predictors of long-term satisfaction. That is why Values & Goals is weighted highest at 18% and Communication at 15%, and why agreement on children and marriage counts double inside the values factor.
What happens if I only fill in the required fields?
With just names, gender, and date of birth you get a baseline score from three factors: Name Harmony, Age Compatibility, and Zodiac Match. Opening the optional sections activates more factors and gives a more comprehensive result.
Why does my score change when I add more information?
The score is a weighted average of the active factors only. Adding new details brings new factors into the mix, each with its own score and weight, which naturally shifts the overall percentage up or down. More data simply means a more complete assessment.
Does the same input always give the same result?
Yes. The calculator is fully deterministic — there is no randomness involved, so identical inputs always produce identical results.
Is my data stored or sent anywhere?
No. Every calculation happens entirely in your browser, and nothing is sent to a server. Your calculation history is saved locally on your own device and can be cleared at any time.
Can I use this for same-sex relationships?
Yes. The calculator works for all relationship types — gender selection is used only for profile identification and does not change the compatibility math.
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