The Grammar Journal / Writing guide

Capital vs. Capitol

A city skyline, a stack of coins, and a domed legislative building.

Use capital for a seat of government, money available to invest, or an uppercase letter. Use capitol for a building where a legislature meets. A capitol can stand in a capital city.

Name the city, the building, or the money

  • “Madison is the capital of Wisconsin.” The word names the seat of state government.
  • “The tour began inside the state capitol.” The word refers to the legislative building.
  • “The owners raised capital to buy equipment.” The word means money available for the business.

Capitalize Capitol when it is part of a proper name

Write the United States Capitol for the building where Congress meets. Use lowercase in a generic phrase such as the state capitol. For the letter case, write a capital C. Merriam-Webster’s usage note.

Try it

“On our trip to the state ___, we toured the ___ building.”

Show the answer

Use capital for the city and capitol for the building.

See also Navigating the Nuances of Capitalization.

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