E-Steps Calibration Calculator

E-steps (extruder steps per millimeter) tell your 3D printer’s firmware how many motor steps are needed to push exactly 1 mm of filament through the extruder. If this value is wrong, your printer will either under-extrude (too little filament, weak parts, gaps) or over-extrude (too much filament, blobbing, stringing).

The calibration formula: New E-steps = (Current E-steps × Requested Length) ÷ Actual Length Extruded

How to perform the calibration:

1. Heat your hotend to printing temperature (e.g. 200°C for PLA)
2. Mark 100 mm and 120 mm on your filament from the extruder intake
3. In your printer’s menu or via terminal, command the extruder to push 100 mm of filament
4. Measure how much filament was actually moved — measure from the intake to your 120 mm mark and subtract
5. Enter your current E-steps, the requested length (100 mm), and the actual extruded length into this calculator
6. Use the result to update your firmware’s E-steps value (via M92 E### in most printers)

Example:

• Current E-steps: 93
• Requested: 100 mm
• Actually extruded: 96 mm
• New E-steps = (93 × 100) ÷ 96 = 96.875 steps/mm

Typical E-step ranges by extruder type:

• Bowden (direct, e.g. Creality stock): 80–105 steps/mm
• Direct drive with BMG/Orbiter: 400–420 steps/mm
• Titan extruder: 400–420 steps/mm
• Hemera/Revo HE: 397 steps/mm

Important notes:

• Always calibrate with the hotend at printing temperature so filament flows freely
• Run the test 2–3 times and average the results
• After calibrating E-steps, also check your flow rate (extrusion multiplier) in the slicer for fine-tuning
• E-steps are a firmware value — save them with M500 (EEPROM save) after setting with M92