How do you calculate garment SAM labor cost?

Multiply SAM by the minute rate, adjust for line efficiency, then add the setup adder. With 18 SAM, a 0.14 minute rate, 65% efficiency, and a 0.30 setup, the total garment SAM labor cost is 1.938 dollars.

What is SAM in garment costing?

SAM is the standard allowed minutes to sew one garment, the sum of operation times plus allowances. It is the backbone of apparel labor costing and line balancing.

How does line efficiency affect labor cost?

Efficiency below 100% means operators take longer than standard, so the effective cost per minute rises. At 65% efficiency the labor portion climbs well above the raw SAM-times-rate figure.

What is a good line efficiency for sewing?

Mature lines run 60-80%; new styles or complex constructions start lower. The 65% default is realistic mid-range, and pushing toward 80% directly cuts the per-garment labor cost.

Why include a setup and bundle handling adder?

Line setup, bundle ticketing, and handling are real costs not captured in stitching minutes. Adding 0.30 dollars per garment keeps the quote honest, especially on short runs where setup spreads over few units.

SAM cost vs piece rate, what is the difference?

SAM cost is an engineered standard from the minute rate and efficiency. Piece rate is the per-operation pay actually given to operators, which may differ once incentives and skill mix are factored in.

Textiles & Apparel Manufacturing calculator

Garment SAM Labor Cost Calculator

Garment SAM labor cost converts a style's standard allowed minutes (SAM) into the real direct sewing labor cost per garment, adjusted for line efficiency and bundle setup. Apparel costing teams, IE engineers, and sourcing merchandisers use it to quote cut-make-trim labor and to compare lines or factories on a true cost basis. It matters because efficiency below 100% silently inflates labor cost, and a costing built on ideal SAM will under-price every order. This calculator surfaces that hidden uplift so your quotes hold margin.

What this calculator does

Estimates the sewing labor cost per garment from its standard allowed minutes and line efficiency.
Use it to convert a garment SAM into a costed labor figure for line balancing and quoting decisions.
It computes the direct labor cost per garment from SAM and a minute rate, scaled by an efficiency factor, plus a fixed setup adder.

Formula used

Note: efficiency below 100% raises real cost; effective cost = SAM x rate / (efficiency/100)
Direct labor = SAM x minute rate x (efficiency factor) + setup, per garment cost = total / SAM

Inputs explained

Standard minutes per garment: Standard allowed minutes to sew one garment
Sewing labor cost per minute: Fully burdened operator labor cost per minute
Line efficiency: Achieved line efficiency against the standard minute value
Line setup and bundle handling: Fixed setup, bundling, and finishing cost per garment

How to use the result

Use it when costing a new style, comparing sewing lines, or validating a CMT quote against your standard minute value.
It models a single SAM and rate; it will not capture multi-operation balancing losses or piece-rate incentive pay that differ from the average minute rate.

Common questions

How do you calculate garment SAM labor cost? Multiply SAM by the minute rate, adjust for line efficiency, then add the setup adder. With 18 SAM, a 0.14 minute rate, 65% efficiency, and a 0.30 setup, the total garment SAM labor cost is 1.938 dollars.
What is SAM in garment costing? SAM is the standard allowed minutes to sew one garment, the sum of operation times plus allowances. It is the backbone of apparel labor costing and line balancing.
How does line efficiency affect labor cost? Efficiency below 100% means operators take longer than standard, so the effective cost per minute rises. At 65% efficiency the labor portion climbs well above the raw SAM-times-rate figure.
What is a good line efficiency for sewing? Mature lines run 60-80%; new styles or complex constructions start lower. The 65% default is realistic mid-range, and pushing toward 80% directly cuts the per-garment labor cost.
Why include a setup and bundle handling adder? Line setup, bundle ticketing, and handling are real costs not captured in stitching minutes. Adding 0.30 dollars per garment keeps the quote honest, especially on short runs where setup spreads over few units.

Last reviewed 2026-05-12.