--- layout: "functions" page_title: "floor - Functions - Configuration Language" sidebar_current: "docs-funcs-numeric-floor" description: |- The floor function returns the closest whole number less than or equal to the given value. --- # `floor` Function -> **Note:** This page is about Terraform 0.12 and later. For Terraform 0.11 and earlier, see [0.11 Configuration Language: Interpolation Syntax](../../configuration-0-11/interpolation.html). `floor` returns the closest whole number that is less than or equal to the given value, which may be a fraction. ## Examples ``` > floor(5) 5 > floor(4.9) 4 ``` ## Related Functions * [`ceil`](./ceil.html), which rounds to the nearest whole number _greater than_ or equal.