Exponential functions (CSS)Baseline · Widely available
The pow(), sqrt(), hypot(), log(), and exp() CSS functions compute various exponential functions.
Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Dec 7, 2023. Widely available since Jun 7, 2026.
Browser support
DesktopChrome
1–119Not supported
120+Supportedsince Dec 5, 2023
Current: 155Edge
12–119Not supported
120+Supportedsince Dec 7, 2023
Current: 154Firefox
1–117Not supported
118+Supportedsince Sep 26, 2023
Current: 157Safari
1–15.3Not supported
15.4+Supportedsince Mar 14, 2022
Current: 27MobileChrome Android
18–119Not supported
120+Supportedsince Dec 5, 2023
Current: 155Firefox Android
4–117Not supported
118+Supportedsince Sep 26, 2023
Current: 157Safari iOS
1–15.3Not supported
15.4+Supportedsince Mar 14, 2022
Current: 27How to use
This feature is Baseline widely available — use it freely, no fallback needed.
Example
Full syntax and examples are on MDN: exp.
Feature detection
CSS · check before using
@supports (width: calc(1px * pow(2, 2))) {
/* styles that use pow */
}
/* or in JavaScript */
if (CSS.supports("width", "calc(1px * pow(2, 2))")) {
// use it
}Sub-features
Support for each part of the feature (5). The overall table above shows when the whole feature works.