---
tag: m0163
title: Set Mix Factor
brief: Set a single mix factor for a mixing extruder.
author: thinkyhead

requires: MIXING_EXTRUDER
group: mixing

codes: [ M163 ]

notes: Requires `MIXING_EXTRUDER`.

parameters:
  -
    tag: S
    optional: true
    description: Component index
    values:
      -
        tag: index
        type: int
  -
    tag: P
    optional: true
    description: Mix factor
    values:
      -
        tag: factor
        type: float

examples:
  -
    pre: 'Save a 60/40 mix as tool index 5:'
    code:
      - M163 S0 P0.6
      - M163 S1 P0.4
      - M164 S5
  -
    pre: 'Save a 3/5 mix as tool index 4:'
    code:
      - M163 S0 P3
      - M163 S1 P5
      - M164 S4

---

Set a single mix factor (in proportion to the sum total of all mix factors). The mix must be committed to a virtual tool by [`M164`](/docs/gcode/M164.html) before it takes effect.