Free shop-floor tools

CNC Plasma, Machining & Pricing Calculators

Use free plasma cutting, machining, welding, job-cost, air-system, and product-pricing resources—or open the advanced tools available to Forge Members.

Category 01

CNC Plasma Cutting Calculators

Primary plasma calculator

CNC Plasma Cutting Calculator

Calculate starting cut speed, pierce delay, air pressure, cutting amperage, recommended voltage, and material-thickness settings.

Open calculator → 02

Plasma job-cost calculator

Cut Cost & Time Estimator

Estimate plasma cutting time, machine cost, consumables, and optional material cost from manual geometry or a DXF file.

Estimate cut cost → 03

Plasma diagnostic tool

Cut Quality Troubleshooter

Diagnose dross, bevel, rough cuts, THC behavior, air-system problems, consumable wear, and machine motion.

Troubleshoot a cut → 04

Plasma air-system calculator

Air Compressor Sizing

Calculate required airflow margin and approximate receiver-tank reserve for a plasma cutter.

Size an air compressor → 05

Plasma settings reference

Plasma Cutter Settings Chart

Compare starting amperage, air pressure, cutting speed, and torch standoff for mild steel, stainless steel, and aluminum in metric or imperial units.

View settings chart → 06

Forge Member exclusive

Advanced Cut Cost & Quote Builder

Build multi-part customer quotes, apply shop pricing and tax, save drafts, and export branded PDF and detailed CSV files.

Member access →

Category 02

CNC Machining Calculators

CNC machining calculator

Cutting Speed & Feed Rate

Calculate spindle RPM, feed rate, axial depth, radial engagement, and estimated spindle-power demand using tool, material, diameter, and flute-count inputs.

Calculate feeds and speeds →

Category 03