Living Soil Calculator

 

🌱 Free Living Soil Tool

Build a Living Soil Mix Without Guessing

Tell the calculator what you’re starting with β€” a bag, gallons, or a raised bed size β€” and it will show exactly how much compost, base, aeration, and organic nutrients to use.

Best for beginners:

Use the simple mix option first. Then upgrade to the Sprouting Homestead approach when you want stronger, more customized results.

Bag + gallon friendly
Raised bed calculator
Shopping list included

Step 1: What are you starting with?

Choose the option that matches your situation. Keep it simple β€” the calculator will do the conversions.

The calculator treats this as the ingredient you already have and shows what else to add.
Example: one 30-gallon grow bag = 30 gallons.

Step 2: Choose mix style

Beginner is easiest and cheapest. Premium adds more living-soil support and pairs well with the Sprouting Homestead method.

Please enter a valid number greater than zero.

Your Soil Mix Recipe

Here is the simple recipe based on your inputs.

Total soil volume
0 gallons
0 cubic feet
Best next step
Mix, moisten, and let it settle.
For best results, do not overpack the soil. Keep it fluffy and evenly moist.

Compost

0 gal
Adds biology and natural fertility. Worm castings can count here too.

Coco / Peat Base

0 gal
Holds moisture and gives the soil body.

Aeration

0 gal
Use pumice, perlite, or rice hulls so roots can breathe.

Organic Nutrients

0 cups
Beginner-friendly: use one complete organic nutrient + mineral blend.

Simple Mix Ratio

Most beginner living soil starts with roughly equal parts compost, base, and aeration.

Compost / worm castings
Coco / peat base
Aeration

Shopping List

Copy this list, then use what you already have before buying more.

    Want Plants Like This?

    Want to grow healthier, more productive plants? 🌱 These are real results from my own garden.

    Healthy vegetable plants grown using the Sprouting Homestead living soil method

    Sprouting Homestead Living Soil Results

    Healthy plants start with healthy soil. This plant was grown using my personal Sprouting Homestead living soil methods.

    Add Raised Bed Photo
    Living Soil In Action
    Add Harvest / Growth Photo
    Real Garden Proof

    Get My Sprouting Homestead Mix

    This calculator gives you the basics. My Sprouting Homestead mix is the simplified version of what I personally use when I want strong, healthy plants without overcomplicating the process.

    Best positioning: β€œWant the exact mix behind my plant results? Get the recipe and shopping list.”

    Send Me The Recipe

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    Get Everything You Need in One Place

    Choose the storefront that matches the base you selected in the calculator. Each list includes the main ingredients needed for that style of living soil mix.

    Not sure which one to choose?
    Choose the Peat-Based Mix if your calculator recipe uses peat moss. Choose the Coco-Based Mix if your recipe uses coco coir.

    Disclosure: both storefront buttons are paid affiliate links. I may earn a commission if you purchase through them, at no additional cost to you.

    Need Help Building Your Mix?

    Join the Sprouting Homestead community to get help choosing ingredients, building raised beds, improving your soil, and troubleshooting plant health.

    Join The Community
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