index.md

---

title: Convert
slug: WebAssembly/Reference/Numeric/Convert

---

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The convert instructions, are used for converting integer numbers to floating point numbers. There are signed and unsigned versions of this instruction.

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Syntax

;; push an i32 onto the stack
i32.const 10

;; convert from signed i32 to f32
f32.convert_i32_s

;; the top item on the stack will now be the value 10 of type f32

Instruction	Binary opcode
f32.convert_i32_s	0xb2
f32.convert_i32_u	0xb3
f32.convert_i64_s	0xb4
f32.convert_i64_u	0xb5
f64.convert_i32_s	0xb7
f64.convert_i32_u	0xb8
f64.convert_i64_s	0xb9
f64.convert_i64_u	0xba