CNC Machining & Precision Milling Cost Calculator
Estimate 3-axis & 5-axis CNC machining part quotes including billet material volume, setup time, tool wear, and machine rate.
Material & Specification Presets
Material & Job Parameters
Parameter ControlsAuto-Extract Mesh Volume (.STL)
In-Browser WASM ParserDrop 3D .STL file here or click to browse
Pure client-side mesh processing • 0 file upload server latency
Raw material spool/resin bottle cost
Finished model net mass including support waste
Total machine execution time
File slicing, bed prep & post-processing labor
Commercial shop margin
Total Internal Direct Cost:
$0.061 / gram • Total Energy: 18.00 kWh
Recommended Quote Price
$77.57
+$25.86
Cost Composition Breakdown
Total: $51.72Comprehensive Guide: CNC Machining & Precision Milling Cost Calculator
Precision CNC machining transforms raw metal billets into high-tolerance mechanical parts. Quoting accuracy depends on factoring in material removal rate (MRR), CAM programming setup fees, cutting tool carbide wear, coolant fluid replenishment, and machine shop overhead rates.
Mathematical Formula Breakdown
CNC Part Quote = (Raw Billet Weight × Cost/kg) + (Machining Time × Shop Hourly Rate) + (Setup Fee / Batch Size) + Tool Wear Allowance ($3-$10/part).
Industry Pricing Benchmarks
Standard 3-axis CNC mill shop rates range from $75 - $125/hr; 5-axis mill-turn centers range from $150 - $250/hr.
Optimization Strategies
- Design parts with standardized internal corner radii (e.g. 1/4" end mill radius) to avoid specialized micro-tooling setups.
- Maximize batch sizes to amortize fixed CAM programming and fixture setup costs over more units.
Frequently Asked Questions
How does raw billet size impact CNC machining cost?
CNC machining is a subtractive process. If a 1kg finished part is milled down from a 4kg block of aluminum, you pay for 4kg of raw material plus the spindle time to carve away 3kg of chips.