"How big will my bearded dragon get?" is one of the first questions every new keeper asks. The short answer: a healthy adult central bearded dragon (Pogona vitticeps) usually reaches about 16-24 inches (40-60 cm) from snout to tail tip and weighs roughly 300-600 grams. The longer answer is more useful — because growth rate, not just final size, tells you whether your dragon is thriving.
The ranges below are typical, not targets. Genetics, sex, clutch, diet and husbandry all shift the numbers, and perfectly healthy dragons fall outside them. Use this as a sanity check, and bring any real concern to an exotics vet.
Bearded dragon growth chart by age
| Age | Typical length | Typical weight |
|---|---|---|
| Hatchling (0-1 mo) | 3-4 in / 8-10 cm | 2-4 g |
| 2 months | 5-9 in / 13-23 cm | 8-40 g |
| 3-4 months | 8-12 in / 20-30 cm | 20-110 g |
| 6 months | 11-18 in / 28-46 cm | 180-280 g |
| 9-12 months | 14-22 in / 35-56 cm | 280-450 g |
| 12-24 months (adult) | 16-24 in / 40-60 cm | 300-600 g |
Notice how wide the bands get — that's intentional. A 4-month-old at 60g and one at 100g can both be perfectly healthy. What you want to see is a curve that keeps climbing, not a number that hits a specific cell in the table.
How bearded dragons grow
Growth is front-loaded. Beardies grow fastest in their first 6-12 months, often gaining weight noticeably week to week. Most reach close to their full length by around 12 months, then keep filling out in bulk and weight until roughly 18-24 months. Males tend to be longer with bigger heads; females are often a touch smaller. Slower-than-expected growth isn't automatically a problem, but combined with poor appetite or lethargy it's worth a vet check.
Why weight in grams beats the tape measure
Length is satisfying to measure but hard to do accurately on a squirmy lizard. Weight in grams is the metric that matters. A cheap digital kitchen scale, used at a consistent time, gives you a precise number every time — and a steady upward trend (with normal plateaus) is the clearest sign of a healthy growing dragon. A sudden drop, or a long flat line in a young dragon, is an early warning worth acting on.
"A single weigh-in tells you almost nothing. Twelve of them on a chart tells you everything."
Track the curve, not the number
This is exactly why we built Beardie Days. Instead of guessing against a generic chart, you log your own dragon's weight in grams and watch a personal growth curve form — alongside a photo timeline that shows the change a scale can't. You can keep length, sheds and notes in the same place, track several dragons at once, and export everything to CSV. Pair it with our bearded dragon care guide to get the husbandry right, and our app vs spreadsheet comparison if you're deciding how to record it all.
Frequently asked questions
How big do bearded dragons get?
A healthy adult central bearded dragon (Pogona vitticeps) typically reaches about 16-24 inches (40-60 cm) in total length, including the tail, and usually weighs around 300-600 grams. Genetics, sex and diet all influence the final size, so individuals vary.
At what age is a bearded dragon fully grown?
Bearded dragons grow fastest in their first 6-12 months and generally reach close to their full length by about 12 months. They often continue to fill out in weight and bulk until roughly 18-24 months of age.
How much should a baby bearded dragon weigh?
Hatchlings typically weigh only a few grams (around 2-4g) and grow rapidly, often reaching tens of grams within the first couple of months. The exact numbers vary, so the most useful thing is to track your own dragon's weight in grams over time and look for steady growth rather than hitting an exact target.
Chart your dragon's growth in grams
Log weight over time, build a hatchling-to-adult photo timeline, and catch trends early — all private, on your device.
Download Beardie Days on the App Store →Keep reading: Bearded Dragon Care Guide · App vs Spreadsheet Tracking. These ranges are general guidance — consult an exotics vet about any health concern. Questions for us? Email us.