A little guessing, a lot of joy

Baby Gender Predictor

Enter the mother's birth date and estimated conception date to predict your baby's gender with two traditional methods and see whether they agree.

Try the predictorWhen can I really find out?
Watercolor baby gender prediction calendar with moon, stars, and heart balloons
Baby gender predictor

Enter two dates to get two predictions

The calculator checks a Chinese gender calendar and an age-and-year number rule, then shows whether both methods predict the same result.

1Enter two datesBirth date and estimated conception date.
2Run both methodsWe calculate each prediction separately.
3Reveal the resultSee the votes and how they were calculated.
This is a traditional prediction tool, not a medical test. Do not use the result for medical or family-planning decisions.

Your dates

An estimated conception date is enough to run both traditional prediction methods.

Not sure? Conception is often estimated about 266 days before the due date.
Preparing your prediction…
Your baby gender prediction

Here is how the two methods voted:

How was this result calculated?

    Add a third prediction. Answer twelve pregnancy questions and see the final three-method vote.

    Take the Gender Quiz See the medical timeline
    Traditional prediction only. This result cannot determine fetal sex.
    Explore each method

    Choose the predictor that fits your curiosity

    Each focused guide has its own calculator, explanation, FAQs, and clear accuracy note.

    Chinese Gender Calendar

    Convert your dates to lunar age and month, then explore the full interactive chart.

    Open the calendar →

    Mayan Gender Predictor

    Compare the parity of age and conception year in this ten-second number game.

    Try the number rule →

    Old Wives' Tales Quiz

    Answer twelve questions about cravings, nausea, belly shape, and other familiar myths.

    Take the quiz →
    A simple place to start

    What is a baby gender predictor?

    A baby gender predictor is an entertainment tool that makes a boy-or-girl guess before reliable prenatal information is available. Some predictors use dates and calendar traditions, while others turn pregnancy symptoms and family folklore into a playful score.

    Our free baby gender predictor compares two familiar methods in one place: a Chinese gender calendar lookup and a popular Mayan-style number rule. Enter the mother's birth date and estimated conception date, and the baby gender calculator shows how each tradition votes. If both results match, you get a shared guess. If they disagree, you get one vote each.

    The result is designed for curiosity, conversation, and baby-shower fun. It cannot calculate biological probability or replace prenatal screening, ultrasound, or advice from a qualified healthcare professional.

    How does our baby gender calculator work?

    The combined gender predictor prepares two separate results from the dates you enter. It does not mix the methods into a scientific formula or pretend that agreement makes the answer more accurate.

    1. Enter your datesAdd the mother's date of birth and an estimated conception date.
    2. Compare two traditionsThe calculator checks a Chinese chart and an age-and-year number rule.
    3. Enjoy the resultSave the guess, compare it with family predictions, or try another test.

    If you do not know the exact conception date, an estimate is enough for this kind of game. A due date is commonly estimated around 266 days after conception, although real pregnancies naturally vary.

    Which test should you try?

    Baby gender prediction methods compared

    Each method creates a guess in a different way. Choose the experience that sounds most enjoyable rather than looking for the one that is “most accurate.”

    Gender predictorWhat you enterWhat it usesBest for
    Chinese gender calendarBirth and conception datesConverted lunar age and lunar monthA classic, visual baby gender chart
    Mayan gender predictorAge and conception yearAn odd-or-even number patternA very quick second guess
    Old wives' tales quizAnswers about pregnancy experiencesFolklore about cravings, nausea, heart rate, and moreA warmer, shareable gender prediction test
    The honest answer

    Can a baby gender predictor really work?

    No traditional chart, number rule, symptom, craving, or belly shape can reliably determine fetal sex. These predictors survive because they make the waiting period playful and give families a charming reason to compare guesses.

    A boy-or-girl predictor has two possible outcomes, so it will appear correct for many families simply by chance. Getting the same result from two entertainment methods does not increase their medical accuracy. Think of the answer as a digital version of asking friends and relatives for their hunches.

    For reliable information, ask your healthcare professional about prenatal screening and ultrasound. Timing, availability, and what a test can tell you depend on your pregnancy and local medical practice.

    Around 10 weeksCell-free DNA screening may be offered in some pregnancies.
    Around 18–22 weeksAn anatomy ultrasound may be able to show fetal sex.
    Entertainment onlyTraditional predictors are closer to a coin toss than a diagnosis.
    See the full pregnancy timeline
    Quick answers

    Baby gender predictor FAQ

    The questions people most often ask before trying an online gender prediction test.

    Is this baby gender predictor free?

    Yes. The combined predictor, Chinese gender calendar, Mayan calculator, and old wives' tales quiz are free to use without creating an account.

    What information do I need?

    For the combined calculator, enter the mother's date of birth and an estimated conception date. The individual predictors explain any additional inputs they use.

    What if the Chinese and Mayan results disagree?

    Nothing is wrong. The methods use unrelated folk rules, so disagreement is expected. The split result can be more fun to share because everyone gets another guess.

    Is a baby gender predictor accurate?

    No online folklore calculator can reliably determine fetal sex. With two possible answers, these tools perform like entertainment guesses rather than medical tests.

    Can pregnancy symptoms predict a boy or girl?

    Cravings, nausea, belly shape, skin changes, and fetal heart rate myths are not reliable gender indicators. You can explore them in the quiz purely for fun.

    When can I actually find out my baby's sex?

    Cell-free DNA screening may report sex-chromosome information from around 10 weeks in some settings, while an anatomy ultrasound around 18–22 weeks is a common time to find out. Ask your care provider what applies to you.

    Start with the classic chart

    See your converted lunar age, lunar month, and highlighted chart cell.

    Try the Chinese calendar