Basis point calculator

Convert basis points to percent and back, see what any number of bps comes to on an amount, and what a rate move of that size does to a rate. Free, no sign-up, nothing leaves your browser.

Basis point calculator

Use a minus sign for a cut, such as -25 bps. The starting numbers are only an example.

25 bps is
0.25%
0.0025 as a decimal
On £100,000.00
£250.00
a year, if it's a yearly rate
Rate after the move
4% → 4.25%
Change relative to the starting rate
6.25%

How to convert basis points

A basis point, written bp or bps, is one hundredth of one percent, or 0.01%. So 10 basis points is 0.1%, 50 basis points is 0.5% and 100 basis points is 1%.

Why not just say percent?

Saying a rate rose by 1% is ambiguous: it could mean from 4% to 5%, or from 4% to 4.04%. Saying it rose by 100 basis points is clear. That's why central banks and lenders use bps when announcing rate changes, and why card fees, bond yields and exchange rate markups are often quoted in basis points too.

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