Determining Soil Needs: Streamlined Gardening in Planters

Whether you're a seasoned gardener or a novice, understanding how to calculate the soil volume for your planters is essential for ensuring your plants receive the right amount of nutrients. Here, we've compiled a list of useful online calculators and a simple formula for self-calculation.

Online Calculators

There are numerous online calculators available to help you determine the soil volume for various planter shapes. Here are some options:

Gardening Know How: This website offers a comprehensive guide to gardening, including tools for various gardening tasks. They also provide articles with tips on using calculation formulas.
Gardeners.com: This site offers tools and resources for gardening, which may include calculation tools.
Die Gartenseite: Many specialised gardening websites on the internet provide calculation formulas that you can use yourself or simple online calculators.
Home Depot: Larger home improvement stores often provide online calculators to help you calculate materials for projects.
By searching for "soil volume calculator" or "soil calculator for planters" on Google, you may find specific calculators from various providers.

If you're specifically looking for a particular calculator, you could also search for "soil volume calculator for hexagonal planters," "soil volume calculator for L-shaped planters," or similar terms.

Self-Calculation

If you can't find a suitable calculator, don't worry! You can easily calculate the volume of soil for rectangular planters yourself using the following formula:

Formula for Volume:
is the volume (in cubic centimeters or cubic feet, depending on the units of length, width, and height),
is the length,
is the width,
is the height.
Umrechnung: If you have the volume in cubic centimeters and wish to convert it to liters, keep in mind that 1 cubic centimeter (cm³) is equal to 1 milliliter (mL), so 1000 cm³ = 1 Liter.

This method is simple and effective for calculating the amount of soil you need.

Other Planter Shapes

For other planter shapes, such as cylinder-shaped, hexagonal, L-shaped, or irregular planters, specific formulas are available to help you calculate the soil volume. These formulas can be found using an online search or within the aforementioned calculators.

Additional Tips

Mixing compost with garden soil improves soil structure, increases water retention, and provides essential nutrients for plants.
To convert cubic feet to cubic yards, divide by 27.
Soil compression can add 15-20% more soil to the container.
1 dry quart equals 1.125 liquid quarts.