Powerful Mushroom Growing Calculators

Accurate, data-driven tools to optimize substrate ratios, yields, timelines, humidity, and every step of indoor cultivation.

25+
Calculators
50+
Guides
1,000+
Growers

What is MycoCalc?

MycoCalc is a comprehensive calculator hub for mushroom growers. We provide accurate tools to calculate substrate ratios, estimate yields, optimize environmental conditions, reduce contamination, and plan profitable micro-farms. Built for beginners and serious growers alike.

Accurate Calculations

Precision tools based on proven cultivation science and real-world data.

Beginner-Friendly

Simple interfaces with helpful explanations for every calculation.

Grow Smarter

Data-driven insights to optimize yields and reduce waste.

All 25 Calculators & Tools

Comprehensive tools for every stage of mushroom cultivation

Substrate & Preparation Tools

Substrate Ratio Calculator

Perfect coir/verm/gypsum/grain mix ratios

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Field Capacity Calculator

Ideal hydration for substrates

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Pasteurization Calculator

Time & water needed for heat treatment

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Sterilization Time Calculator

Pressure cooker/autoclave timings

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pH Adjustment Calculator

Lime/gypsum requirements by weight

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Grain Spawn to Substrate

Ideal ratios for healthy colonization

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Liquid Culture Dilution

Create consistent LC mixes

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Spawn Expansion (G2G)

Expanding grain-to-grain volumes

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Water Activity (aw) Estimator

Predict contamination risk from moisture

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Growth Conditions & Environment Tools

Monotub Calculator

Substrate depth, hole placement, airflow

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Fruiting Conditions Planner

Humidity, temp, FAE & lighting

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Colonization Timeline

Estimate based on strain + temp

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COâ‚‚ & FAE Calculator

Air exchange requirements for fruiting

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Humidifier Output Calculator

Mist output needed for your space

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Grow Tent Ventilation

Fan size & airflow requirements

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Temp & Humidity Stability

Analyze fluctuations

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Contamination Risk Estimator

Environmental contamination probability

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Electricity Cost Calculator

Monthly energy cost for growing setups

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Drying Time & Weight Loss

Dehydration time & shrinkage

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Yield, Cost & Economics Tools

Yield Estimator (BE%)

Predict biological efficiency and crop output

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Oyster Mushroom Yield

Strain-specific yield forecasting

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Growing Cost Calculator

Total batch cost planning

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Profit Calculator

ROI & micro-farm profitability

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Cost per Batch Calculator

Consumables & cycle-based expenses

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LC → Syringe Volume

Consumable planning & conversion

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Top Growing Guides

Expert knowledge to improve your cultivation success

How to Achieve Perfect Field Capacity

Learn the squeeze test and master substrate moisture levels for optimal colonization.

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Best Substrates for Oyster, Shiitake, Lion's Mane

Species-specific substrate recipes and mixing guidelines for top gourmet varieties.

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Preventing Contamination in Mushroom Growing

Essential sterile techniques, FAE management, and early contamination detection.

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How to Fix Slow Colonization

Troubleshooting temperature, spawn rate, and substrate issues affecting growth speed.

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Complete Beginner Monotub Guide

Step-by-step monotub construction, substrate prep, and fruiting instructions.

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How to Maintain Ideal Fruiting Conditions

Humidity, temperature, FAE, and lighting schedules for maximum yields.

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Why Choose MycoCalc?

Save Substrate & Time

Precise calculations eliminate waste and guesswork, saving you money and effort on every batch.

Improve Yield Consistency

Repeatable results through scientific ratios and environmental optimization.

Reduce Contamination

Calculate proper field capacity, pH, and pasteurization to minimize contamination risks.

Free Forever

All calculators and guides are completely free. No subscriptions, no hidden costs.