Pet Value by kg & Age
Enter weight and age (1–500) with any mutation to get value per kg, age growth, and a full breakdown you can copy.
🌱 100% free · No login · Works offline
Grow a Garden Calculator for Pet Values, kg & Trades
Instantly estimate pet value by weight and age, convert value to kg, stack mutation multipliers, price fruits, and check any trade with a clear Win / Fair / Lose verdict — built for Roblox Grow a Garden players.
6calculator modes
1–500age range support
0 msserver wait time
⚡ Quick Pet Value
Weight + age + mutation → estimated value
Features
Everything you need to price pets and fruits
Six focused calculators covering the numbers players actually search for — weight, age, mutations, and fair trades.
Value ↔ Weight Converter
Swap between value and kilograms instantly. Perfect when a listing shows one number but you need the other.
Trade WFL Checker
Add both sides of a trade and get a Win, Fair, or Lose verdict with the exact percentage difference.
Fruit Value Calculator
Price crops from Carrot to Grape Moon with weight, size score, stack bonus, and fruit-specific mutations.
Mutation Multiplier Stack
Combine up to three mutations multiplicatively and see each step plus the combined multiplier.
Age Growth Planner
See how much value a pet gains between any two ages, with XP estimates and passive days to reach your target.
How to use
How to use the Grow a Garden Calculator
Four simple steps from raw pet stats to a confident trade decision.
Pick the calculator mode
Choose Pet Value, Value↔Weight, Trade WFL, Fruit, Age Planner, or Mutation Stack on the tool page.
Enter your pet or crop stats
Type the weight in kg, age (1–500 where relevant), and select any mutation such as Golden, Rainbow, or Nightmare.
Hit Calculate
The tool validates your inputs, flags problems in plain English, and runs the formula entirely in your browser.
Review, copy, or plan your trade
Read the breakdown, copy the result, use the WFL verdict to negotiate, and clear the form when you are done.
Why players use it
Built for real trading decisions
Clear formulas, honest disclaimers, and no friction between you and the number you need.
No account, no tracking
Every calculation runs client-side. Nothing you type is sent to a server.
Instant results
No queues or loading spinners — results render the moment you click Calculate.
Transparent formulas
Each result shows the multiplier breakdown so you can sanity-check the math yourself.
From the blog
Guides for smarter Grow a Garden trades
Practical walkthroughs that pair with the calculator.
Guide
How to Calculate Pet Value by Weight and Age
Learn the exact inputs that move a pet's price — kg, age curve, and mutation stacking — and how to read the breakdown.
Read article →
Trading
Win, Fair, or Lose? A Practical WFL Trade Guide
How to use a ±8% fair window, when to stretch for a win, and the soft factors numbers miss.
Read article →
Mutations
Growth a Garden Mutation Multipliers Explained
From Wet to Voidtouched — what each tier multiplies, how they stack, and which ones are worth chasing.
Read article →Ready to price your next pet?
Open the full calculator with all six modes — pet values, conversions, trades, fruits, age, and mutations.
Launch Calculator →