# Grow a Garden Calculator (GAG 1 & GAG 2) > The community standard mathematical calculator, trading database, and comprehensive strategy encyclopedia for the Roblox games Grow a Garden (GAG 1) and Grow a Garden 2 (GAG 2). ## Calculators & Tools - [All-in-One Calculator Suite](https://growgardencalculator.github.io/): Real-time interactive calculations for crops, pet weights, multi-mutation stacking, egg hatch probabilities, and active codes with a live GAG 1 vs GAG 2 mode switcher. - [Pet Weight & Sizing Calculator](https://growgardencalculator.github.io/pet-calculator/): Calculates pet weight progression from Age 1 to Age 100, sizing classifications (Huge: 50 kg, Titanic: 150 kg, Godly: 400 kg), passive harvest multipliers, and market valuations. - [Crop Value & Profit Calculator](https://growgardencalculator.github.io/crop-calculator/): Complete crop database with base values, growth cycles, fertilizer ROI (1.5x to 50x), and net Sheckle profit per hour. - [Mutation Stacking Matrix](https://growgardencalculator.github.io/mutation-calculator/): Searchable 40+ mutation table, weather conditions, admin events, and step-by-step recipes for combos like Frozen (10x), Paradisal (100x), and Cosmic (240x). - [Egg Hatch Odds & Pity Calculator](https://growgardencalculator.github.io/egg-hatch-calculator/): Binomial cumulative probability calculator for rolling Common to Secret pets, factoring in luck potions and the 100-egg guaranteed pity system. - [Active Redeem Codes (2026)](https://growgardencalculator.github.io/codes/): Daily verified active promo codes with 1-click clipboard copy for free Shekels, Potions, and rare seeds. - [Grow a Garden 2 Portal](https://growgardencalculator.github.io/grow-a-garden-2/): Dedicated portal for GAG 2 featuring Quantum seeds, multi-plot greenhouses, Drone Harvesters, and Prestige energy progression. ## Strategic Guides & Documentation - [About & Calculation Methodology](https://growgardencalculator.github.io/about.html): Background on developer BMWLux, Splitting Point Studios (Jandel), testing methodology, and formula verification. - [Contact Support](https://growgardencalculator.github.io/contact.html): Interactive feedback form, bug reporting, code submissions, and support channels. - [Privacy Policy](https://growgardencalculator.github.io/privacy.html): Cookie disclosures, Google DART cookies, GDPR European rights, and CCPA California privacy compliance. ## Mathematical Formulas - Crop Sell Value: BasePrice * CropWeight * FertilizerMultiplier * (1 + SumOfActiveMutations) * (1 + PetAuraBoost / 100) * Plots - Pet Weight: BaseHatchWeight * (1 + Age * 0.08) * SpeciesMultiplier * PrestigeMultiplier - Pet Sizing Thresholds: - Normal: Less than 25 kg - Huge: 50.0 kg to 149.9 kg (+25% to +60% plot harvest aura) - Titanic: 150.0 kg to 399.9 kg (+75% to +150% plot harvest aura) - Godly: 400.0 kg and above (Maximum trading value) - Egg Hatch Probability: P(At least one in N eggs) = 1 - (1 - p)^N