JavaScript ceil

Math.ceil() rounds a number UP to the nearest integer . "ceiling". Even 4.0001 becomes 5.

Syntax

Math.ceil(num)

Examples

Input Arguments Output
4.1 5

Try it live

Type your input and see ceil transform it instantly.

ceil()

Type above to see the result…

Want to go further? Chain ceil with other functions, pipe one output into the next and watch your data transform in the visual Playground.

Related functions

© 2026 Heifara Buval