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About the Integrals Calculator

Free online integrals calculator to solve indefinite and definite integrals with step-by-step explanations. Enter your integral question and get an instant result.

  • 1. Indefinite integrals (antiderivatives)
  • 2. Definite integrals with bounds
  • 3. u-substitution (change of variables)
  • 4. Integration by parts
  • 5. Trigonometric integrals and identities
  • 6. Improper integrals (infinite bounds/discontinuities)

How to Use the Integrals Calculator

Follow these steps to get results and full steps:

  • 1. Enter your integral using ∫ (e.g., ∫_0^1 x^2 dx)
  • 2. Click “Solve”
  • 3. View the final answer and the step-by-step solution

Frequently Asked Questions

  • What types of integrals can this calculator solve?

  • What’s the difference between indefinite and definite integrals?

  • Need steps from a photo?