Soil Calculators — Earth Science
Geotechnical soil characterisation: Atterberg limits and plasticity index, bulk density, compaction curves and optimum moisture content, CPT correlations, Terzaghi and Meyerhof bearing capacity, and Darcy flow. Use the Atterberg tool first, since plasticity classification drives which of the others apply.
All Soil & Sediment Mechanics Calculators
Calculate atterberg limits & plasticity index with inputs, formulas, and instant results.
Calculate bearing capacity (terzaghi meyerhof) with inputs, formulas, and instant results.
Calculate slope factor of safety (bishop simplified) with inputs, formulas, and instant results.
Calculate bulk density of soil with inputs, formulas, and instant results.
Calculate compaction curve omc with inputs, formulas, and instant results.
Calculate cpt correlations with inputs, formulas, and instant results.
Calculate darcy’s law flow rate (geologic) with inputs, formulas, and instant results.
Calculate degree of saturation with inputs, formulas, and instant results.
Calculate direct shear test analyzer with inputs, formulas, and instant results.
Calculate effective stress with inputs, formulas, and instant results.
Calculate foundation settlement with inputs, formulas, and instant results.
Calculate grain size uniformity coefficient with inputs, formulas, and instant results.
Calculate hydraulic conductivity with inputs, formulas, and instant results.
Calculate liquefaction potential index with inputs, formulas, and instant results.
Calculate overburden pressure with inputs, formulas, and instant results.
Calculate porosity and permeability with inputs, formulas, and instant results.
Calculate shear strength of soil with inputs, formulas, and instant results.
Calculate slope stability factor (geotechnical) with inputs, formulas, and instant results.
Calculate soil classification (uscs aashto) with inputs, formulas, and instant results.
Calculate soil compaction energy with inputs, formulas, and instant results.
Calculate soil moisture deficit with inputs, formulas, and instant results.
Calculate specific yield with inputs, formulas, and instant results.
Calculate subsurface pressure head with inputs, formulas, and instant results.
Calculate void ratio with inputs, formulas, and instant results.
Calculate water table depth with inputs, formulas, and instant results.
Find factors and prime factorization
Calculate cubic yards or bags of topsoil for beds and planters from length, width, and the depth you want to fill.
Classify soil type based on sand, silt, and clay percentages using USDA standards
About Soil & Sediment Mechanics Calculators
Geotechnical soil characterisation: Atterberg limits and plasticity index, bulk density, compaction curves and optimum moisture content, CPT correlations, Terzaghi and Meyerhof bearing capacity, and Darcy flow. Use the Atterberg tool first, since plasticity classification drives which of the others apply.
Whether you need to solve a one-time problem or verify your own calculations, these free tools cover the most common soil & sediment mechanics scenarios. All results are computed in your browser — no data is sent to any server.
What You Can Calculate
This section includes 28 tools: Atterberg Limits Plasticity Index Calculator, Bearing Capacity Calculator - Terzaghi Meyerhof, Bishop Slope Stability Calculator, Bulk Density of Soil Calculator, Compaction Curve Omc Calculator, CPT Correlations Calculator, Darcys Law Flow Rate Calculator - Geologic, Degree of Saturation Calculator, and 20 more. Each calculator is free to use with no signup required.