Writing & StyleStyle guide

Basis Points: bps Meaning and Formatting

A basis point is one hundredth of a percentage point, making 100 basis points equal to 1 percentage point. The abbreviation “bps” is common in finance, but its exact typographic treatment can follow house style.

Quick answer

1 basis point = 0.01 percentage point; 100 bps = 1 percentage point. Define “bps” when the audience may not know it.

Key details

Core IssueA basis point is one hundredth of a percentage point; bps is a common abbreviation whose presentation can be style-dependent.
Phrase Rolefinancial-number-formatting
Registerfinancial and professional writing

Important caveats

Usage Boundary

Use basis points for differences in rates or percentages when that unit improves precision; do not confuse a basis-point change with the same-size relative percent change.

Further guidance

Formatting

“bps” is widely used as an abbreviation in financial contexts, but capitalization, spacing, and first-use definition should follow the publication or organization’s style.

Meaning

One basis point equals 0.01 percentage point, so 100 basis points equal 1 percentage point.

Sources and evidence

Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.

  1. Federal Open Market Committee — basis points definition (opens in a new tab)Board of Governors of the Federal Reserve System · Defines one basis point as one hundredth of a percentage point

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