---
tag: m0221
title: Set Flow Percentage
brief: Set the flow percentage, which applies to all E moves.
author: thinkyhead

group: motion

codes: [ M221 ]

notes:

parameters:
  -
    tag: S
    optional: false
    description: Feedrate percentage
    values:
      -
        tag: percent
        type: int
  -
    tag: T
    optional: true
    description: Target extruder (requires multi-extruder). Default is the active extruder.
    values:
      -
        tag: index
        type: int

examples:
  -
    pre: Set the flow rate to 150%.
    code: M221 S150

---

Set the flow percentage, which applies to all E moves added to the planner.