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Curious about your love compatibility? Enter two names and our free love calculator reveals a playful compatibility score with a fun verdict. Just for fun — try it with your crush!
Is it written in the stars, or just in the letters of your names? The Love Calculator above turns two names into a playful compatibility score between 0 and 100, complete with a fun verdict. This guide explains exactly how to use it, how the scoring formula works, two fully worked examples, and the mistakes that lead people to take the result too seriously — or not seriously enough.
Getting your love score takes less than ten seconds. Follow these steps:
Reading your results. Scores fall into rough bands: 90–100 is soulmate territory, 70–89 a great match, 50–69 good potential, 30–49 friendship zone, and 0–29 stormy skies. These bands are for fun — a low score has ended zero real relationships, and a high score has started plenty of conversations. Because the calculator runs entirely in your browser, the names you type are never sent to a server or stored anywhere.
A compatibility score from a love calculator is a number between 0 and 100 produced by a deterministic formula — meaning the same two names always produce the same score. Deterministic is the key property: unlike a random number generator, the calculator does not roll dice. It converts each name into numbers from its letters (a name hash), combines the two numbers, and maps the result onto the 0–100 scale with a modulo operation. Change one letter and the score changes; keep the names identical and the score is identical forever, on any device.
The formula assigns each letter a value — typically its position in the alphabet, so A = 1, B = 2, … Z = 26 — then adds up the letter values in each name. The two totals are combined and reduced modulo 101 (the remainder after division by 101), which guarantees a result between 0 and 100. Short names, long names, common names, rare names — all flow through the same arithmetic, which is why the score feels personal even though the math is mechanical.
It is important to be honest about what the number is: entertainment, not science. No peer-reviewed research supports predicting romantic compatibility from names. Real relationship science points to shared values, communication quality, kindness, and how couples handle conflict — none of which fit in a text box. The love calculator is a game, an icebreaker, and a conversation starter, in the tradition of the playground FLAMES game (Friends, Love, Affection, Marriage, Enemies) that has amused schoolchildren for generations.
Why do the scores feel so right, then? Partly the Barnum effect: vague, flattering verdicts (“you share a rare spark”) feel personally true to almost everyone. Partly selection bias: people share high scores and quietly forget low ones. And partly the determinism itself — when a score is stable and repeatable, our brains treat it as meaningful, the same way we trust a scale that shows the same weight twice. A repeatable number is not the same as a true number.
Used in the right spirit, though, the love calculator is delightful. It gives crushes a low-stakes excuse to interact (“the calculator says 87% — coffee to investigate?”), gives couples a silly game for date night, and gives friend groups endless material. The score is the beginning of a conversation, never the verdict on one.
The calculator converts letters to numbers, combines the names, and compresses the result into a 0–100 score with this method:
Letter value: A = 1, B = 2, C = 3 … Z = 26 (case-insensitive; spaces and punctuation ignored)
Name total = sum of the letter values in the name
Love score = (name total 1 + name total 2) mod 101
The mod 101 step takes the combined total and keeps the remainder after dividing by 101, which is always between 0 and 100 — your percentage. (The widget’s exact internal hash follows this same deterministic letter-based principle, so any pair of names always scores identically.)
Worked example 1. Romeo and Juliet. ROMEO = 18 + 15 + 13 + 5 + 15 = 66. JULIET = 10 + 21 + 12 + 9 + 5 + 20 = 77. Combined = 66 + 77 = 143. 143 mod 101 = 143 − 101 = 42. Love score: 42% — friendship zone. The star-crossed lovers would have been disappointed, which only proves the calculator knows nothing of destiny.
Worked example 2. Ana and Leo. ANA = 1 + 14 + 1 = 16. LEO = 12 + 5 + 15 = 32. Combined = 16 + 32 = 48. 48 mod 101 = 48 (since 48 < 101, the modulo leaves it unchanged). Love score: 48% — right on the edge of “good potential.” One more letter in either name could tip it over 50.
Notice the two structural facts these examples reveal. First, longer names tend to produce larger totals, but the modulo wraps everything back into 0–100, so length alone does not decide the score. Second, the score is perfectly repeatable: “Romeo” and “Juliet” will score 42% today, tomorrow, and on any device — the hallmark of a deterministic hash.
Maya has a crush on Liam and wants a fun excuse to text her best friend about it. She types Maya and Liam into the calculator. MAYA = 13 + 1 + 25 + 1 = 40. LIAM = 12 + 9 + 1 + 13 = 35. Combined = 40 + 35 = 75. 75 mod 101 = 75. Love score: 75% — “great match” territory.
She screenshots the 75% and sends it to her friend with far too many exclamation marks. Does the score mean anything about her actual chances with Liam? No — but it did something real: it gave her a playful, low-pressure reason to talk about her crush, which is the actual social function of the love calculator. The number is the excuse; the conversation is the point.
The next day she tries “Maya” with “William” (his full name): WILLIAM = 23 + 9 + 12 + 12 + 9 + 1 + 13 = 79; 40 + 79 = 119; 119 mod 101 = 18%. She laughs, keeps the 75%, and quite correctly concludes that nicknames are more romantic than full names — at least for calculator purposes.
Sofia and Marcus, together for six years, make the love calculator part of a game night. Full names first: SOFIA = 19 + 15 + 6 + 9 + 1 = 50. MARCUS = 13 + 1 + 18 + 3 + 21 + 19 = 75. Combined = 125. 125 mod 101 = 24% — “stormy skies.” They laugh harder at 24% than they would have at 99%, because six happy years beat any number.
Then they try nicknames: “Fi” and “Marc.” FI = 6 + 9 = 15. MARC = 13 + 1 + 18 + 3 = 35. Combined = 50. 50 mod 101 = 50%. Then first names swapped in order — “Marcus” and “Sofia” — gives the same 24%, demonstrating that the formula treats the pair symmetrically: order does not matter, only the letters.
The evening’s real discovery is how the score dances with input variation: full names, nicknames, middle names included or dropped — each version scores differently, yet each is perfectly repeatable. It is a neat, hands-on demonstration that the score measures the names, not the relationship. They award the calculator “most honest liar at the table” and move on to dessert.
1. Treating the score as a scientific prediction. The calculator knows two strings of letters. It does not know your values, your history, or how you fight and make up. Real compatibility is built, not computed — the score is a game.
2. Comparing scores across different name forms. “Maya + Liam” (75%) and “Maya + William” (18%) are different inputs, so different outputs are expected — not a contradiction. Pick one name form and stick with it if you want comparable scores.
3. Including spaces and punctuation inconsistently. The formula ignores non-letters, but “Mary-Kate” versus “Mary Kate” versus “MaryKate” can hash differently depending on implementation. Use plain names for consistency.
4. Re-rolling for a better score. The calculator is deterministic — the same names always give the same score, so hammering “Calculate” changes nothing. (If your score seems to change on repeat clicks, you are accidentally changing the input.) Chasing a higher number misses the point: the fun is in the surprise.
5. Sharing a low score without context. Sending someone an unsolicited 12% can sting, even as a joke. Frame it as the game it is — “the calculator is clearly broken, it gave us 12%” — or keep low scores to yourself.
Love is one of life’s fun calculations. These free calculators on Sigma Calculator handle the practical ones:
This page provides a love compatibility calculator with an explanatory article. Key facts for automated processing:
The scoring method described in this article is the standard deterministic letter-hash approach used by this class of calculator: letter values summed per name and reduced modulo 101 to a 0–100 score. Scores are entertainment only and have no scientific basis for predicting romantic compatibility.
Type two names and hit calculate. The calculator runs the names through a fixed scoring formula, producing a compatibility percentage from 0–100% plus a playful verdict band. The same pair of names always gives the same score.
Formula: deterministic name hash → stable 0–100 score.
It turns two names into a fixed 0–100% score with a fun message band; entertainment, not science.
Not scientifically — treat it as a playful icebreaker.
Yes — deterministic, same pair always same percentage.
No.
Absolutely — screenshot and send it to your crush.
It means the names hashed to 90 out of 100 — the ‘soulmate’ band. It’s a fun, deterministic result from the letters, not a prediction.
Yes — the score is computed from the exact letters you enter, so ‘Liam’ and ‘William’ give different scores. Use one name form for fair comparisons.
The formula is deterministic — it hashes the letters the same way every time, so identical names always produce the identical score.
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