Soil Texture Calculator

Determine soil texture class using sand, silt, and clay percentages.

Inputs

How It Works

Soil texture is determined by the relative percentages of sand, silt, and clay. Percentages must total 100%.

The USDA soil texture triangle defines classification categories such as loam, sandy loam, clay, and silty clay.

Related Calculators

Lime Requirement Phosphorus Rate Nitrogen Rate

FAQ

Do percentages need to equal 100%?

Yes. Sand, silt, and clay percentages must total 100% for accurate classification.

What is loam soil?

Loam typically contains balanced proportions of sand, silt, and clay, offering ideal drainage and nutrient retention.

Why does soil texture matter?

Texture influences water retention, drainage, root development, and nutrient availability.

Understanding Soil Texture

Soil texture describes the relative proportion of sand, silt, and clay particles in soil. It affects water infiltration, nutrient retention, aeration, and crop productivity.

Sandy soils drain quickly but hold fewer nutrients. Clay soils retain water and nutrients but may limit drainage and root growth. Loam soils offer balanced characteristics ideal for agriculture.

Understanding soil texture helps producers optimize irrigation, fertilizer management, and crop selection.