Other APA Style Guidelines

Use numerals for the following:

• numbers 10 and above (unless it starts a sentence);

• statistical numbers (e.g., 2.1);

• times (e.g., 1 hr 58 min);

• ages (e.g., 3 years old); dates (e.g., May 7)

• exact sums of money (e.g., $15)

• numbers used as numerals (e.g., when used in a chart)

• books (e.g., Chapter 3)

• percentages (e.g.,13%) unless it starts a sentence

• numbers that come before a unit of measurement (e.g., 28 cm)

Use words (one, two, three etc.) for the following:

• Numbers zero through nine (e.g., eight people)

• Numbers starting a sentence, title or heading (e.g., Nineteen people attended …)

Use commas when writing long numbers which are 1,000 or more (e.g., 6,000).