Gardening Hub
Free calculators and generators for Gardening
Greenhouse Heating Load
Calculate BTU requirements for heating greenhouses.
Microgreens Yield
Estimate harvest yield and profit for microgreens.
Soil Amendment
Calculate soil amendments for gardening.
Mulch Coverage
Calculate cubic yards of mulch needed.
Plant Spacing
Determine optimal vegetable plant spacing.
Compost Ratio
Calculate Greens vs Browns for compost.
Mowing Freq
Determine ideal lawn mowing frequency.
Hedge Volume
Estimate hedge trimming volume.
Pond Volume
Calculate water volume for ponds.
Tree Depth
Find correct tree planting depth.
Weed Control
Calculate weed control dosage.
Greenhouse Temp
Monitor greenhouse temperature needs.
Rain Harvest
Calculate potential rainwater harvest.
Nutrient PPM Calc
Calculate nutrient parts per million for hydroponics.
Aquascaping CO2 Calc
Calculate CO2 injection for aquariums.
Honey Yield Calc
Estimate honey yield from your beehives.
Bonsai Watering
Generate a watering schedule for bonsai.
Varroa Treatment Dose
Calculate oxalic acid for beehive treatment.
Mushroom Spawn Ratio
Calculate substrate to spawn ratios.
Aquaponics Ratio
Calculate optimal fish to plant ratios.
Chicken Coop Space
Calculate required space and nest boxes for your flock.
Gardening is equal parts passion and precision and SpeedCalcs free gardening calculators give every grower from weekend raised bed hobbyists to serious homesteaders the numbers they need to make smarter decisions in the soil, the greenhouse and beyond.
Whether you're mapping out your first vegetable plot or fine tuning a hydroponic setup every tool here delivers instant, accurate results with no account, no subscription and no guesswork required.
Getting your garden off to the right start often comes down to the basics.
The Plant Spacing Calculator takes the mystery out of how far apart to place your vegetable seedlings helping you maximize yield without overcrowding.
Pair that with the Soil Amendment Calculator to figure out exactly what your beds need before you plant and you've already set yourself ahead of most growers.
If you're wondering how to calculate mulch for garden beds the Mulch Coverage Calculator gives you a precise cubic yard estimate so you never over order or run short mid project.
Composting is one of the most rewarding things a gardener can do and the Compost Ratio Calculator makes it easy to balance your greens and browns for a healthy, fast working pile.
For those managing a lawn alongside their garden the Lawn Mowing Frequency Calculator helps you determine the ideal schedule based on your grass type and season so you're cutting smarter rather than just more often.
The Hedge Trimming Volume Calculator and Weed Control Dosage Calculator round out the landscaping side giving you reliable figures for everything from topiary shaping to herbicide application.
Greenhouse growers will find serious value in both the Greenhouse Heating Load Calculator which figures out BTU requirements to keep your structure warm through colder months and the Greenhouse Temperature Calculator which helps you monitor the climate conditions your plants actually need.
If you're harvesting rainwater to cut down on utility costs the Rainwater Harvest Calculator estimates your collection potential based on roof area and rainfall data making eco conscious gardening that much easier to plan for.
SpeedCalcs also goes deep for specialty growers. The Hydroponic Nutrient PPM Calculator helps you dial in nutrient concentration for soilless systems while the Aquaponics Fish to Plant Ratio Calculator ensures your ecosystem stays balanced.
Mushroom cultivators can use the Mushroom Substrate Spawn Ratio Calculator to prep their grow bags correctly and beekeepers will appreciate both the Honey Yield Calculator and the Varroa Treatment Dosage Calculator for managing hive health with oxalic acid treatments.
Even niche hobbyists are covered the Aquascaping CO2 Injection Calculator keeps planted tanks thriving and the Bonsai Watering Schedule Calculator helps you care for your miniature trees with consistency and confidence.
From calculating the correct tree planting depth to estimating your microgreens harvest and profit, SpeedCalcs has built a gardening toolkit that grows with you.
All tools are completely free, work instantly in your browser and require nothing more than a few inputs to get the answers you need.
Dig into the collection today and start planning your most successful growing season yet.