How accurate is the Chinese gender predictor?

Honestly, about as accurate as a coin toss. Researchers at the University of Michigan analyzed 2.8 million birth records from Sweden and found the chart predicted correctly roughly 50% of the time — no better than random chance. You'll see websites claiming 70% or 90% accuracy, but those numbers don't hold up in any controlled study. It's a fun tradition, not a medical tool. For reliable results, ultrasound or NIPT testing are your best options.

Do I need to calculate my lunar age myself?

No — our calculator handles the conversion automatically. In the Chinese lunar calendar, you're considered one year old at birth, and everyone ages up at Chinese New Year instead of on their individual birthday. That means your lunar age is typically 1 to 2 years older than your Western age. Just enter your regular birthday above and we'll sort out the rest.

What determines the gender prediction in this chart?

Two things: the mother's lunar age at the time of conception and the lunar month when conception happened. The chart cross-references these two values on a grid — where your row (age) and column (month) meet, it shows either Boy or Girl. The underlying logic draws from traditional Chinese philosophy involving Yin and Yang and the Five Elements.

Can the Chinese gender chart predict twins?

The chart gives one prediction per conception event — it doesn't know whether you're carrying one baby or multiples. For identical twins, they'll always share the same gender, so the chart's answer applies to both. But fraternal twins can be different genders, and the chart can't account for that. If you're expecting multiples, ultrasound is the only reliable way to know each baby's gender.

Is the Chinese gender predictor different from the Mayan gender predictor?

Yes, completely different methods. The Chinese version uses your lunar age and lunar conception month on a chart that's reportedly over 700 years old. The Mayan method is simpler — it checks whether the mother's age and the month number of conception are both even, both odd, or one of each. Neither has any scientific backing, and both land around 50% accuracy. The Chinese version is far more widely known and has a longer recorded history.

Can I use my due date instead of my conception date?

If you know your due date but aren't sure exactly when you conceived, you can work backwards. Conception typically happens about 266 days (around 38 weeks) before your due date, or roughly two weeks after the first day of your last menstrual period. Our pregnancy due date calculator can also help you work through the dates if needed.

Does the Chinese gender predictor chart change every year?

No. There's only one traditional Chinese gender chart — it doesn't change from year to year. When you see labels like '2025 chart' or '2026 chart,' that's just for searchability. What does change is your lunar age, which increases annually. So the same mother checking in January might get a different result than she would in December if her lunar age rolled over during that time.

Can I use the Chinese gender predictor if I conceived through IVF?

You can. For IVF pregnancies, the conception date is essentially the day of embryo transfer — or the egg retrieval and fertilization date, if you happen to know it. Use whichever date your clinic considers the start of pregnancy. Keep in mind that the chart was created centuries before modern fertility treatments existed, so there's no traditional basis for how IVF fits into the system.

Does the Chinese gender predictor work for past pregnancies?

It does — and checking it against past pregnancies is actually a popular way to 'test' the chart. Just enter the mother's birthday and the approximate conception date from a previous pregnancy. Some parents find that the chart was right, and some find it missed. Either way, it's a fun exercise, especially if you're curious before trying the prediction for a current pregnancy.

How does the Chinese gender predictor actually work?

You need two inputs: the mother's date of birth and the approximate date of conception. Our calculator converts your birthday to a Chinese lunar age, identifies the lunar month of conception, and then looks up the result on the traditional gender chart. The chart itself is a grid covering lunar ages 18 through 45 and all 12 months — every intersection maps to either Boy or Girl.

I got my gender prediction — what should I explore next?

Once you have a prediction — even just for fun — many parents start browsing baby names. Our AI name finder lets you filter by gender, origin, and style. If you're drawn to the spiritual side, a numerology calculator can reveal what different names mean numerologically. And for zodiac-inspired choices, you can explore names matched to your baby's expected star sign.

How do I use the Chinese calendar to know baby's gender?

You need two dates — the mother's birthday and the approximate date of conception. The calendar converts your regular age into a lunar age (typically 1 to 2 years older) and identifies the lunar month you conceived. Where those two values meet on the chart, it shows Boy or Girl. Our calculator handles the lunar conversion automatically — just enter both dates and it does the math.

Is the Chinese gender calendar the same as the Chinese birth chart?

Yes — same chart, different names. You might see it called the Chinese gender calendar, Chinese birth chart, baby gender prediction chart, or Qing Palace Table. They all refer to the same traditional grid that matches lunar age to conception month. The only versions that give different results are ones that were copied or modified incorrectly — the original chart is always identical regardless of what people call it.

What is the most accurate way to use the Chinese gender calendar?

Accuracy comes down to getting the lunar dates right. The most common mistake is using your Western age and Gregorian calendar month instead of your Chinese lunar age and lunar conception month — those are two different things. Our calculator eliminates that error by converting your birthday to a lunar age and mapping your conception date to the correct lunar month. That said, even with perfect inputs, the chart has no scientific validity — it is a 50/50 guess dressed up in tradition.

Is there a 100 percent accurate baby gender predictor?

No. No baby gender predictor is 100% accurate — not the Chinese gender calendar, not the Mayan method, not any online quiz. The only ways to reliably determine your baby's sex are medical: ultrasound (typically around 18 to 22 weeks), NIPT blood test (available after 10 weeks with over 99% accuracy), or genetic testing such as CVS or amniocentesis. The Chinese gender calendar gives you a 50/50 shot — it's fun, but it's not a medical tool.

Chinese Gender Predictor & Calendar

Are you having a boy or a girl?

Use this free Chinese baby gender predictor to find out if you're having a baby boy or girl. Our gender calendar chart is based on your lunar age and conception month — just enter your birthday for instant results.

How the Chinese Gender Calendar & Predictor Works

What Is Chinese Lunar Age?

In the Chinese lunar calendar, you're considered one year old the day you're born. And instead of aging up on your birthday, everyone adds a year at Chinese New Year. So your lunar age is typically 1 to 2 years older than your Western age. Don't worry about the math — our Chinese gender calendar calculator handles the conversion automatically when you enter your birthday.

1. Enter Your Birthday

Type in your date of birth and our Chinese gender predictor calculator converts it to your lunar age automatically. Supports ages 18 through 45.

2. Conception Month

Select the approximate date you conceived. The calculator identifies the lunar month and cross-references it with your lunar age on the gender chart. Not sure of the exact date? Our ovulation calculator can help you narrow it down.

How to Read the Chinese Gender Calendar Chart

The traditional Chinese gender calendar chart — also called the Qing Palace Table — predicts your baby's gender by lining up two values on a grid:

Your Lunar Age: Found in the left column of the chart (covers ages 18 through 45)
Conception Month: Listed across the top row (months 1 through 12 on the Chinese lunar calendar)
The Result: Where your row and column meet, the chart shows either Boy or Girl

Tip: Our calculator above does all of this for you. It converts your Western birthday to a lunar age, identifies the correct lunar conception month, and looks up the result on the chart — so you don't have to do any manual conversion.

How Accurate Is the Chinese Gender Calendar?

Let's be upfront. No baby gender predictor — including the Chinese gender calendar — is a scientifically accurate tool, and no honest source should tell you otherwise.

The most thorough study on record came from researchers at the University of Michigan School of Public Health, who examined 2.8 million birth records from Sweden. Their finding? The chart predicted correctly about 50% of the time. That's the same odds as guessing or flipping a coin.

You'll find websites claiming 70% to 90% accuracy, but none of those numbers survive any kind of real scrutiny. With only two possible outcomes — boy or girl — any method will reach 50% accuracy just by chance alone.

So why do millions of expecting parents still check it every year? Because it's fun. Half the people who try it end up pleasantly surprised when the chart gets it right. And there's something genuinely enjoyable about a centuries-old tradition making a call that happens to land — even if the odds were always 50/50.

If you genuinely need to know your baby's gender for medical or personal reasons, stick with proven methods:

Ultrasound — typically available around 18 to 22 weeks (the anatomy scan)
NIPT blood test — available after 10 weeks with over 99% accuracy
Genetic testing (CVS or amniocentesis) — highly accurate but usually reserved for specific medical situations

For help tracking your pregnancy timeline, try our pregnancy due date calculator.

Chinese Gender Calendar 2025 to 2026

Something that confuses a lot of parents: there is only one Chinese gender chart. It has never changed. When websites stamp “2025” or “2026” on it, that's just a labeling convention — the actual boy/girl grid underneath is identical every single year.

What actually shifts is your lunar age. Everyone's lunar age goes up by one at Chinese New Year (usually late January or February), not on your individual birthday. So if you conceived in December 2025 and check the Chinese gender calendar again after Chinese New Year in 2026, your lunar age will have ticked up — and the prediction could flip.

That matters if your conception window falls anywhere near the turn of the year. Our calculator sorts this out for you. Enter your actual birthday and conception date, and it works out which lunar year boundary applies to your pregnancy.

Quick version: There is no separate “2026 edition” of the Chinese gender calendar. The chart is the same one it has always been. What matters is that your lunar age and conception month are converted correctly — and that's what the calculator above does automatically. If you need help pinpointing your conception date, our pregnancy due date calculator can help you work backwards from your due date.

Chinese Gender Predictor vs. Other Old Wives' Tales

The Chinese gender calendar isn't the only baby gender predictor floating around. Here's how it stacks up against the other popular ones.

Chinese vs. Mayan Gender Predictor

The Mayan method is even simpler: if the mother's age at conception and the conception month number are both even or both odd, it predicts a girl. One even and one odd? Boy. Unlike the Chinese chart, the Mayan version uses your regular calendar age — no lunar conversion required. Neither method has scientific support, and both land at roughly 50% accuracy.

Heart Rate, Bump Shape & Cravings

Ever heard that a fetal heartbeat above 140 bpm means girl, and below 140 means boy? It's one of the most repeated old wives' tales out there, but medical studies have consistently shown that heart rate has more to do with gestational age than gender. Same goes for bump position (high vs. low), the ring-on-a-string test, and whether you're craving sweets or salty snacks. Entertaining? Absolutely. Reliable? Not even close.

If you enjoy these kinds of predictions, give them all a try and see whether they agree with each other. It makes for a fun conversation at your next appointment or baby shower. And if you want to explore more predictions about your little one, our baby blood type predictor is worth a look too.

Using the Chinese Gender Predictor for Twins or IVF

Twins & Multiples

The chart gives one prediction per conception — it doesn't distinguish between singleton and multiple pregnancies. For identical twins, the prediction applies to both since they share the same chromosomes. But fraternal twins can absolutely be different genders, and the chart can't account for that. If you're expecting multiples, your anatomy scan ultrasound is the only way to know each baby's gender for sure.

IVF & Fertility Treatments

If you conceived through IVF, use the embryo transfer date as your conception date. Some parents use the egg retrieval or fertilization date instead — either works, since they're usually within a few days of each other. The chart was obviously created centuries before modern fertility medicine, so there's no traditional guidance here. But mechanically, the calculator works the same way as long as you plug in the right dates.

The Legend Behind the Chart

✓Said to date back over 700 years to the Qing Dynasty imperial family, who allegedly used it for gender selection
✓Rooted in traditional Chinese philosophy — the I Ching, Yin and Yang, and the Five Elements
✓Still widely used across cultures today — mostly for entertainment and cultural curiosity

What Science Actually Says

•Gender is determined at conception by the father's sperm — X chromosome for a girl, Y for a boy
•The odds are roughly 50/50 with no proven connection to lunar cycles, maternal age patterns, or calendar timing
•Ultrasound and NIPT are the only reliable, medically proven ways to determine your baby's gender before birth

Please note: The Chinese gender predictor is a traditional folk method provided for entertainment purposes only. It has no scientific or medical basis and should not be used as a substitute for professional prenatal care. If you need to confirm your baby's gender, please consult your healthcare provider about ultrasound or NIPT testing.