CNC Machining calculator

CNC Machine Hour Cost Calculator

Use this calculator to build a transparent hourly rate for machining centers, turning centers, routers, grinders, or cells. It helps estimators and shop owners separate machine burden from material, tooling, setup, and inspection costs.

What this calculator does

  • Estimate CNC machine-hour cost by adding machine depreciation, labor, overhead, maintenance, energy, and other hourly burden components.
  • building or checking the hourly CNC rate used in quoting, routing, capacity planning, or make-versus-buy decisions
  • The result is the shop rate or internal cost rate per machine hour.

Formula used

  • CNC machine-hour cost = machine ownership and depreciation + operator labor and supervision + shop overhead, energy, and floor space + maintenance, tooling support, and software
  • Use the same available-hour basis for every hourly component.

Inputs explained

  • machine ownership and depreciation: Include lease, depreciation, finance cost, or capital recovery assigned per available machine hour.
  • operator labor and supervision: Use loaded labor cost for operator coverage, supervision, or cell attendance as appropriate.
  • shop overhead, energy, and floor space: Include allocated overhead, power, compressed air, coolant system, rent, and support costs.
  • maintenance, tooling support, and software: Include PM, repairs, calibration, CAM/DNC, presetting, and support costs assigned to the machine.

How to use the result

  • Use it when setting quote rates, comparing machines, or reviewing under-recovered machining cost.
  • Treat the result as a planning estimate until it is verified against the actual CNC program, machine limits, toolholder rigidity, coolant delivery, workholding, material condition, inspection data, and shop-floor trial results.

Common questions

  • What is the CNC machine hour cost calculator for? It sums the hourly burden components used to price or plan CNC machine time.
  • What information should I enter? Use hourly ownership, labor, overhead, and support costs on the same available-hour basis.
  • What does the result tell me? The result is the shop rate or internal cost rate per machine hour.
  • When is the result only an estimate? Treat the result as a planning estimate until it is verified against the actual CNC program, machine limits, toolholder rigidity, coolant delivery, workholding, material condition, inspection data, and shop-floor trial results.

Last reviewed 2026-05-12.