Calculate the total manufacturing cost per part including setup, run time, material, and tooling amortization. Optimize part-level unit economics.
Knowing the precise cost to manufacture each part is the foundation of profitable manufacturing. The cost per part combines several elements: the share of setup cost allocated to each unit, the run cost driven by cycle time and machine/labor rates, the raw material consumed, and the amortized cost of tooling that wears out over the production run. Each element must be estimated accurately for the total to be reliable.
Setup cost per part decreases as the production quantity increases, since the fixed setup time is spread across more units. Run cost per part is relatively constant, determined by the cycle time multiplied by the machine and operator hourly rates. Material cost depends on the raw stock required and its unit price. Tooling amortization distributes the cost of inserts, dies, fixtures, and gauges over their expected life in parts.
This calculator helps manufacturing engineers, estimators, and purchasing teams compute a detailed cost per part for quoting, make-vs-buy analysis, and cost reduction initiatives. Enter your production parameters and get an instant cost breakdown.
Every quote you send, every make-vs-buy decision, and every cost reduction project starts with knowing what each part actually costs. This calculator gives you a transparent, element-by-element breakdown so you can see exactly where the cost comes from and where to focus improvement efforts. Having accurate figures readily available streamlines reporting, audit preparation, and strategic planning discussions with management and key stakeholders across the business.
Cost per Part = (Setup Cost ÷ Parts) + (Cycle Time × Run Rate ÷ 60) + Material Cost + (Tooling Cost ÷ Tooling Life) Run Cost per Part = (Cycle Time in minutes ÷ 60) × Run Rate per hour
Result: $7.95 per part
Setup per part = $400 ÷ 1,000 = $0.40. Run cost = (2.5 ÷ 60) × $90 = $3.75. Material = $3.50. Tooling = $2,000 ÷ 10,000 = $0.20. Total = $0.40 + $3.75 + $3.50 + $0.20 = $7.85 per part.
A typical cost per part breakdown in machining includes: setup (5-15% for medium volumes), cycle time / run cost (40-60%), material (20-35%), and tooling (2-10%). Understanding these proportions tells you where cost reduction efforts will have the most impact. In high-volume production, cycle time dominates; in low-volume work, setup cost is often the largest element.
Cost per part is not constant across volumes because the setup component changes. Plotting cost per part against quantity reveals a steep curve at low volumes that flattens as quantity increases. This curve is essential for volume pricing and for justifying investments in setup reduction that make smaller lot sizes economically viable.
Complex parts often require multiple operations: turning, milling, drilling, grinding, heat treatment, and plating. Each operation adds its own cost per part. The total part cost is the sum of all operations. Tracking each operation separately helps identify bottleneck operations where cost reduction or outsourcing would have the greatest impact.
Cost per part is the total manufacturing cost to produce one unit, including an allocated share of setup, the run cost based on cycle time, raw material consumed, and amortized tooling wear. It is the fundamental unit of manufacturing economics used for pricing, quoting, and cost control.
Cycle time is often the largest cost driver. Every second of cycle time costs money because the machine and operator are tied up. Reducing cycle time by optimizing feeds, speeds, and tool paths directly lowers cost per part. Even small improvements compound across high volumes.
Tooling amortization spreads the cost of cutting tools, dies, fixtures, and gauges across the number of parts they produce over their useful life. A $2,000 tool lasting 10,000 parts adds $0.20 per part. Accurate tool life estimates are needed for reliable cost calculations.
Yes. The run rate should ideally be a fully-burdened rate that includes machine depreciation, facility overhead, utilities, and indirect labor — not just the operator's wage. This gives a more complete picture of what each part truly costs to produce.
Add the cost of each secondary operation — deburring, heat treating, plating, assembly — as additional cost elements. Each secondary operation has its own setup, run, and sometimes tooling costs that should be calculated and added to the primary machining cost.
Use the actual planned production quantity for the order or production run. For annual planning, use the expected annual volume. Quoting at different quantities lets customers see volume discount curves driven by setup amortization.