How many decimal places do you use in APA style?

The number of decimal places to report depends on what you’re reporting. Generally, you should aim to round numbers while retaining precision. It’s best to present fewer decimal digits to aid easy understanding.

Use one decimal place for:

Use two decimal places for:

  • Correlation coefficients
  • Proportions
  • Inferential test statistics such as t values, F values, and chi-squares.