CNC Manufacturing Calculators
Free, engineering-grade tools for process planning and decision support.
From feeds and speeds tuning to TCO and ROI scenario modeling for your next machine investment.
Material Calculators
Feeds & Speeds (11)Titanium
Calculate exact feeds and speeds for difficult titanium alloys.
Aluminum
Optimize MRR for 6061 and 7075 aluminum variants.
Stainless Steel
Prevent work hardening in 304 and 316 stainless.
Carbon Steel
Reliable parameters for 1018, 4140, and basic steels.
Cast Iron
Manage abrasive wear in gray and ductile cast iron.
Copper & Brass
High-speed parameters for non-ferrous soft alloys.
Plastics
Avoid melting and chip wrap when machining plastics.
Inconel
Safely machine heat-resistant super alloys (HRSA).
Drilling
RPM and plunge rates for standard and high-performance drills.
Tapping
Exact rigid tapping feeds to prevent broken taps.
Turning
Lathe speeds and feeds based on part diameter.
Core Business
Decision Making (5)Equipment Selection
Find the right machine configuration for your exact part mix.
Total Cost (TCO)
Calculate the true 5-year cost of bringing a new machine online.
ROI & Capacity
Uncover your break-even point and forecast available machine hours.
Tax & Depreciation
Model Section 179 and MACRS depreciation savings.
CNC Cost Estimator
Estimate the cost per part for job quoting.
Production
Operations (3)Technical
Engineering (7)Feeds & Speeds
General turning and milling parameter calculations.
RPM & Cutting Speed
Convert surface footage (SFM) to spindle speed (RPM).
Chip Load
Determine the exact Feed per Tooth (IPT) for tools.
Material Removal Rate
Calculate how many cubic inches per minute you cut.
Surface Finish
Predict Ra surface finish based on nose radius and feed.
Power Requirement
Estimate spindle horsepower needed to prevent stalling.
Tool Life
Predict cutting tool insert life based on material removal.
Specialized Operations
Process Optimization (5)Boring Bar
Avoid chatter and deflection when using long-reach boring bars.
CNC Router
Optimized wood and foam parameters for gantry routers.
End Mill F&S
Dedicated parameter tuning for solid carbide end mills.
HSM Feeds & Speeds
High-speed machining (HSM) parameters for trochoidal toolpaths.
Milling F&S
Comprehensive tuning for face mills, shell mills, and high-feed cutters.
Procurement Checklist
Download the CNC Machine Selection Checklist
Collect the procurement checklist used to compare vendors, machine fit, support terms, and approval notes in one review pack.