🌱 Grow a Garden Pet Calculator (For Pet Growth)
GAG Pet Weight & Value Calculator
💡 Pet Stats Information
Complete Pet Database (250+ Pets)
How to Use the Grow a Garden Pet Calculator
This pet calculator is built specifically for Grow a Garden on Roblox. It uses the same weight formula the game uses — verified through direct in-game testing — so the numbers you get here match what you see when you check your pet in-game.
The Pet Weight Formula Explained
Every pet in Grow a Garden follows this formula:
W = (Wh ÷ 11) × (A + 10)
- W = current weight of your pet (kg)
- Wh = hatch weight — what your pet weighed when it was born
- A = current age in years (max 125)
Example: a pet with a 0.5 kg hatch weight at age 50 weighs (0.5 ÷ 11) × (50 + 10) = 2.73 kg. The same pet at age 125 reaches 6.14 kg — add a GM Sprinkler and it hits 10.14 kg. These numbers are verified against actual gameplay, not estimated.
Step-by-Step: How to Calculate Your Pet’s Value
- Select your pet — search by name or scroll through the database below. The rarity fills in automatically.
- Enter the hatch weight — open your pet’s in-game stats and type in the weight it had when it first hatched.
- Set the current age — enter your pet’s age in years (0 to 125). Age is the biggest factor in final weight.
- Pick variant and equipment — Silver, Golden, or Rainbow variants add multipliers. GM Sprinkler adds +4 kg directly.
- Hit Calculate — you get current weight, base value, and total Sheckle value with all bonuses applied.
Age Bonuses — Why Aging Your Pet Matters
Weight increases are only part of the picture. Grow a Garden also adds flat Sheckle bonuses at specific age milestones:
| Pet Age | Bonus Value | Notes |
|---|---|---|
| 0 – 69 years | Base weight only | No milestone bonus |
| 70+ years | +5 Trillion Sheckles | Major trading milestone |
| Giant (20 kg+) | +1 Trillion Sheckles | High hatch weight required |
The 70-year milestone is the most important one. A divine pet aged 70+ with a Rainbow variant is worth significantly more in trades than the same pet at age 69. Always check this before accepting or offering a trade — one year can change the value by trillions.
Pet Rarity Base Values
Every pet starts with a base Sheckle value determined by its rarity. Variants, equipment, and age bonuses stack on top of this.
| Rarity | Base Value |
|---|---|
| COMMON | 1,000 |
| UNCOMMON | 5,000 |
| RARE | 25,000 |
| LEGENDARY | 100,000 |
| MYTHICAL | 500,000 |
| DIVINE | 2,000,000 |
| PRISMATIC | 10,000,000 |
Variant Multipliers
Variants multiply the base rarity value. Rainbow is the most sought-after in trading because the 20% boost applies on top of all age bonuses — on a Divine or Prismatic pet, that difference is enormous.
Standard value, no multiplier
+5% on base rarity value
+10% on base rarity value
+20% — highest trade demand
Before You Accept a Trade — Use This First
Most scams in Grow a Garden happen because one player doesn’t know the actual value of what’s being offered. Here’s what to always check before confirming any pet trade:
- Check the exact age of the pet — is it above or below 70? That’s a 5T Sheckle difference.
- Verify the hatch weight in the pet’s stats. Two pets of the same rarity can have very different hatch weights.
- Confirm the variant — Normal vs Rainbow is a 20% gap at minimum, much more on high-rarity pets.
- If you’re unsure whether the total trade is fair, use the Trade Calculator → to compare both sides before accepting.
Other Grow a Garden Tools
Calculate exact Sheckle values for 292 plants with 155+ mutation stacking. The main tool for crop trading.
Add items on both sides of a trade and get an instant WIN / FAIR / LOSS verdict. Works for plants, pets, and gear.
Separate tool for GAG2 — different plant roster, single mutation rule, and new weather system.
Live 5-minute countdown to the next seed shop restock, drop chances for all 28+ seeds, and a rare watch tracker — no account required.
Frequently Asked Questions
How accurate are these pet values?
All values are verified through direct in-game testing. The weight formula and age bonuses are tested against actual gameplay results and updated whenever the game changes.
What is the maximum weight a pet can reach?
A pet with a 0.5 kg hatch weight reaches 6.14 kg at age 125 without equipment. With a GM Sprinkler (+4 kg), that becomes 10.14 kg. Pets with higher hatch weights can go significantly heavier — enter your actual hatch weight to see the exact number.
How do I get a giant pet in Grow a Garden?
A pet becomes giant when it reaches 20 kg. You need a pet with a high hatch weight — most common pets will never reach 20 kg no matter their age. Focus on pets from high-rarity eggs, use GM Sprinkler, and age them as long as possible.
Which pets are worth the most in trading?
Prismatic and Divine rarity pets aged 70+ years with a Rainbow variant consistently command the highest values. The 70-year age bonus alone adds 5T Sheckles — this single factor makes more difference than rarity tier in many cases.
Does the GM Sprinkler stack with age bonuses?
Yes. The GM Sprinkler adds +4 kg flat on top of whatever the age formula produces. It does not multiply — it adds. So a 6.14 kg pet at age 125 becomes 10.14 kg with the sprinkler.
Know Your Pet’s Value Before Every Trade
Scroll up, pick your pet, enter the age — you have the number in under 10 seconds.
🌿 Plant values → Plant Calculator · 🤝 Trade check → Trade Calculator · 🌱 New game → GAG2 Tool