What Is PascalCase? Examples and Rules

A clear guide to PascalCase in programming, naming conventions, and common mistakes.

Definition

PascalCase capitalizes the first letter of every word and removes spaces, for example: UserProfileCard.

Where It Is Used

Common in class names, component names, and exported types in many languages and frameworks.

PascalCase vs camelCase

camelCase starts with a lowercase letter; PascalCase starts with uppercase. Use according to language conventions.

Frequently Asked Questions

Is PascalCase the same as UpperCamelCase?

Yes. PascalCase and UpperCamelCase are effectively the same naming style.

When should I use PascalCase?

Use it for class names, React component names, and types where your code style guide recommends it.