index.md

---

title: Ceil
slug: WebAssembly/Reference/Numeric/Ceil

---

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The ceil instructions, are used for getting the value of a number rounded up to the next integer.

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Syntax

;; load a number onto the stack
f32.const 2.7

;; round up
f32.ceil

;; the top item on the stack will now be 3

Instruction	Binary opcode
f32.ceil	0x8d
f64.ceil	0x9b