CNC Plasma Cutting Calculator
Calculate starting cut speed, amperage, air pressure, pierce delay, cut voltage, and material-thickness settings.
Open the plasma calculatorFree CNC plasma cutting resources
CNC Plasma Cutting Calculators, Charts & Troubleshooting
Built for the plasma table. Calculate practical starting settings, compare material and thickness charts, diagnose cut-quality problems, and build repeatable machine-specific data.
Free CNC plasma tools
Start with the Tool That Matches Your Problem
Each tool has its own dedicated page, focused instructions, and related technical resources.
Plasma Cutter Settings Chart
Compare starting amperage, cutting speed, air pressure, and torch standoff by material and thickness.
View the settings chartPlasma Cut Quality Troubleshooter
Diagnose dross, bevel, rough edges, poor penetration, air problems, consumable wear, THC behavior, and machine motion.
Diagnose a plasma cutPlasma Cut Cost & Time Estimator
Estimate cutting time, machine cost, consumables, and optional material cost using manual geometry or a DXF file.
Estimate cutting costCNC plasma technical guides
Build an Evidence-Based Plasma-Cutting Library
Learn what each setting controls, how to test changes, and how to document repeatable results for your own plasma cutter and table.
How to Choose Plasma Cutting Settings
Understand amperage, cutting speed, pierce delay, air pressure, and torch height before making the first test cut.
Read the plasma settings guideWhy Clean, Dry Air Changes Consumable Life
Learn how filtration, pressure, airflow, moisture, oil, and restrictions affect plasma-cutting performance.
Read the plasma air guideHow to Build a Machine-Specific Plasma Cut Chart
Use controlled test coupons to calibrate cutting speed, pierce delay, voltage, torch height, kerf, and hole quality.
Build a machine cut chartHow to diagnose dross, bevel, and rough plasma cuts
Read the cut edge to identify speed, height, air, consumable, and motion problems.
Read the guideAbout the builder
Built from Shop-Floor Experience
Plasma Cut Forge is built by Dom, an internationally certified welder, fabricator, CNC machine builder, and U.S. Army veteran. The project combines practical testing, machine troubleshooting, fabrication experience, and developing engineering work.
Meet the Builder