Hydroponic & Grow Room Calculators
Welcome to our comprehensive suite of free calculators, designed to help you optimize every aspect of your hydroponic and indoor growing setup.
From nutrient solutions to environmental controls, these tools will help you save time, reduce waste, and achieve healthier, more abundant yields.
Our Collection of Free Grower Calculators:
1. Hydroponic pH Adjustment Calculator – Easy Water Quality Control
Perfect pH levels are crucial for thriving hydroponic plants. This calculator makes water quality management effortless, instantly determining the exact amount of pH Up or pH Down solution you need.
Use the pH Adjustment Calculator
2. Free EC to PPM Converter & TDS Calculator for Hydroponics
Take the guesswork out of measuring your nutrient strength. This powerful TDS calculator instantly translates EC, PPM, and TDS readings to match your specific meter and nutrient charts.
3. Professional Grow Room HVAC Calculator - Free Climate Control Planning Tool
Designing an effective HVAC system is the foundation of a successful grow room. This calculator provides precise calculations for air conditioning, dehumidification, ventilation, and heating requirements.
4. Grow Room Supplemental Lighting Calculator
Not sure how much extra light your plants need? This tool helps you dial in the ideal amount of supplemental lighting (UV, Deep Red, Far Red) to accelerate growth and boost your final yield.
Use the Supplemental Lighting Calculator
5. The Ultimate Grow Light Calculator
Stop guessing your light height and intensity. This advanced tool uses PPFD and DLI to help you dial in the perfect lighting for explosive growth and maximum yields, based on your specific setup.
Use the Ultimate Grow Light Calculator
6. Grower's Alchemist - Hydroponic Nutrient Calculator
The ultimate nutrient calculator for growers using Canna, House & Garden, Nutrifield, Flairform, and Floramax. Get precise dosing instructions for your specific nutrient brand and feeding program in seconds.
Use the Grower's Alchemist Calculator
7. Tank & Reservoir Volume Calculator
A perfect nutrient mix starts with knowing your exact water volume. This simple calculator removes all guesswork by providing an instant, accurate calculation of your reservoir volume in liters and gallons.
Use the Tank Volume Calculator
8. Growing Medium & Substrate Calculator
Stop guessing how much coco coir or perlite you need. This tool instantly calculates the exact volume of growing medium required for any pot or container size, and even tells you how many compressed bricks or loose-fill bags to buy.
9. Pest & Disease Solution Mixer - The Expert System
Mix your pest and disease control solutions with confidence. Our smart calculator recommends the best products for your specific issue and gives you a precise recipe, complete with compatibility warnings and advanced tips.
10. Plant Spacing Calculator – Plan Your Best Hydroponic Garden
This mobile-friendly calculator helps you optimize plant spacing for NFT, DWC, Dutch Buckets, and Vertical Towers, ensuring maximum yield and healthy plants.