United States Constitution: Full Text, Amendments, Summary, and Quizzes

Read and Learn About the United States Constitution

Learn about the United States Constitution in simple terms. Read the full text, explore all 27 amendments, study the Bill of Rights, and use quizzes, summaries, PDFs, and worksheets to understand how the Constitution works.

ConstitutionUS.com helps students, teachers, and readers find clear explanations of the Constitution, its articles, amendments, history, and meaning today.

Read the Constitution

Full text of the U.S. Constitution, including the Preamble, Articles, and Amendments.

Explore the Amendments

Plain-English summaries of all 27 amendments, including the Bill of Rights.

Study and Test Yourself

Quizzes, worksheets, PDFs, flashcards, and study guides for students and teachers.

For Students and Teachers

Use our Constitution study guides, printable PDFs, quizzes, and worksheets to review the Constitution, the Bill of Rights, the branches of government, and the amendment process.

Read Online

United States Constitution – Full Text

Browse Articles I–VII and all 27 Amendments with headings, search, and cross-links.

Read the Constitution online →

Free PDF

United States Constitution — Printable PDF

High-quality, paginated PDF including the Bill of Rights and all amendments.

Download the Constitution PDF →

Free Shipping

Receive Your Free United States Pocket Constitution

There is no need to pay for a pocket constitution book. As a supporter of ConstitutionUS.com, we will send you one for free.

Free Pocket Constitution →
Free Pocket Constitution

Latest Updates:

ConstitutionUS.com makes learning about the United States Constitution simple and useful.

Here’s what you can do here:

  • Easy Explanations – Plain-language summaries of the Constitution, Bill of Rights, and amendments.
  • Quizzes and Practice Tests – Check your knowledge on U.S. civics and history.
  • Teacher Resources – Lesson plans, activities, and handouts for classrooms.
  • FAQs – Quick answers to common questions about the U.S. government and history.
  • Study Summaries – Short guides for fast learning or revision.
  • Printable PDFs – Download key documents and study materials for offline use.

Everything is free and designed to help you learn, teach, or research with ease.