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Definition

Basis Point

One one-hundredth of a percent (0.01%); used to express small percentage changes.

Written by Jere Salmisto·Reviewed by CalcFi Editorial·Last verified: 2026-05-13
TL;DR

Basis Point is One one-hundredth of a percent (0.01%); used to express small percentage changes. Used in banking.

What Is Basis Point?

A basis point (often abbreviated as "bp" or "bps") is a unit equal to 0.01% or 1/100th of 1%. Basis points are commonly used in finance to express small percentage changes clearly. For example, "the Fed raised rates by 25 basis points" means rates increased by 0.25%, not 25%. When interest rates move from 3.5% to 3.75%, that's a 25-basis-point increase. Using basis points avoids confusion between percentage and percentage-point changes. Understanding basis points is important for tracking interest rate changes, fund fee comparisons, and yield changes.

Formula

1 basis point = 0.01% = 0.0001 as a decimal

Related Terms

Interest Rate
The cost of borrowing money or the return on savings, expressed as a percentage.
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