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Geomechanics and FracturingIn-Situ Stress and Rock Mechanics

Unconfined Compressive Strength of Rock Calculator

Co=2So(μ2+1+μ)C_o=2S_o(\sqrt{\mu^2+1}+\mu)

Enter the required inputs, confirm the units, and run the calculator to solve C_o. Review the formula source and assumptions before using the result in engineering work.

Tabular solver

Inputs

Defaults provide a quick field-unit example for the equation.

2 variables

Calculation runs locally with the shared TypeScript engine.

Formula reference

Unconfined Compressive Strength of Rock calculates unconfined compressive strength of rock for in-situ stress and rock mechanics workflows in geomechanics and fracturing.

View formula, units, and source

Assumptions

  • Input values are representative for the well, reservoir, fluid, or equipment case being evaluated.
  • The declared units match the field-unit constants used in the formula.
  • The cited formula applies to the selected petroleum engineering workflow.

Common mistakes

  • Mixing unit systems without converting the inputs.
  • Using default example values as field recommendations.
  • Applying the formula outside the source assumptions.