How do I calculate fabric yield and consumption per garment?

Fabric consumption is total marker length times width divided by the number of garments in the marker, adjusted for shrinkage and end loss. The Fabric Yield calculator gives consumption per unit, and Roll Usage tells you how many garments each roll produces. Because fabric is often 50 to 70 percent of garment cost, tightening this number even slightly with a better marker moves margin more than most labor savings.

What is a good marker efficiency and how do I improve it?

Marker efficiency is the area of pattern pieces divided by the total marker area, typically 80 to 88 percent for wovens and a bit lower for shaped knit panels. The Marker Efficiency calculator quantifies the gap, and improving it means better nesting, mixing sizes in one marker, and using the full usable width. A two-point gain across a large cut spreads directly into lower Fabric Yield cost per garment.

How do I cost sewing labor using SAM?

SAM, standard allowed minutes, is the total measured time to sew a garment. Garment SAM Labor Cost multiplies SAM by your cost per minute, and dividing target minutes by SAM gives the pieces per operator per hour. Combine it with Stitch Rate and Operator Efficiency Rate to reflect real line performance rather than ideal time, and with Sewing Line Balance to see how many operators each operation needs.

How much shrinkage allowance should I build into a pattern?

Shrinkage allowance compensates for fabric contracting during wash and finishing so the garment holds spec after laundering. Use the Wash Shrinkage Rate calculator on a test cut to measure length and width shrinkage, then apply Shrinkage Allowance to size the pattern up before cutting. Cottons and some knits can shrink 3 to 7 percent, and skipping this step causes undersized finished garments and costly recuts.

How do I estimate cutting room and dyehouse capacity?

Cutting capacity comes from Fabric Spread Time and Cutting Room Throughput, which combine spreading, marker, and cut time per lay against your table hours. Dyehouse Capacity sizes batches from machine liquor ratio and cycle time, and Dye Batch Cost attaches a per-kilo or per-yard cost. Running these against your Apparel Size Curve Run Window shows whether cutting or dyeing is the constraint before you commit to a ship date.

How do I control rework and second-quality garments?

Track defects where they occur: Seam Defect Rate and Apparel Rework Rate cover sewing, while Fabric Defect Density catches roll-level flaws before they are cut into panels. Feeding defective yardage into Soft Goods Scrap Cost shows the real dollar loss. A rising seam defect rate on one operation usually points to a machine or method issue, so isolating it early keeps rework off the margin line.

Manufacturing calculator category

Textiles, Apparel & Soft Goods Manufacturing calculators

This category covers the fabric, labor, and cost math behind cut-and-sew production, from marker efficiency and roll usage to SAM-based sewing cost and garment margin. It is for apparel costers, production planners, and industrial engineers who need to lock fabric yield and labor before a style goes into the cutting room.

What this hub covers

Calculators for textile, apparel, and soft goods production covering fabric yield, marker efficiency, cut and sew labor, SAM cost, dye batches, shrinkage, and margin.
Browse textiles, apparel & soft goods manufacturing calculators for manufacturing planning, quoting, quality, capacity, and operations decisions.

Best calculators in this category

Fabric Yield Calculator: Estimate fabric yield for textiles and apparel manufacturing using production-ready inputs so teams can track KPI performance and decide whether corrective action is needed.
Marker Efficiency: Measure marker efficiency for Textiles & Apparel Manufacturing, material that ends up in good parts as a percentage of material consumed.
Cut-and-Sew Automation Payback: Estimate cut and sew labor for textiles and apparel manufacturing using production-ready inputs so teams can screen a capital project before a detailed business case.
Garment Margin: Estimate garment margin for textiles and apparel manufacturing using production-ready inputs so teams can measure the gap between available and required amounts.
Stitch Rate Calculator: Estimate stitch rate for textiles and apparel manufacturing using production-ready inputs so teams can track KPI performance and decide whether corrective action is needed.
Dye Batch Cost: Estimates the all-in cost of a single dye lot including dyestuff, chemicals, yield, and machine setup.
Shrinkage Allowance: Estimate shrinkage allowance for textiles and apparel manufacturing using production-ready inputs so teams can review the adjusted planning value before updating a quote, schedule, or standard.
Roll Usage Calculator: Estimate roll usage for textiles and apparel manufacturing using production-ready inputs so teams can size the purchase quantity or material requirement without relying on a rough guess.
Apparel Rework Rate: Estimate apparel rework rate for textiles and apparel manufacturing using production-ready inputs so teams can track KPI performance and decide whether corrective action is needed.
Sewing Line Balance: Estimate sewing line balance for textiles and apparel manufacturing using production-ready inputs so teams can measure output per hour and compare it with the required production pace.
Cutting Room Throughput: Estimate cutting room throughput for textiles and apparel manufacturing using production-ready inputs so teams can measure output per hour and compare it with the required production pace.
Fabric Spread Time: Estimate fabric spread time for textiles and apparel manufacturing using production-ready inputs so teams can plan labor hours, schedule the work, or check whether the job fits the available shift time.

Common manufacturing problems solved

textile manufacturing
apparel manufacturing
fabric yield
marker efficiency
cut and sew
garment margin

Category questions

How do I calculate fabric yield and consumption per garment? Fabric consumption is total marker length times width divided by the number of garments in the marker, adjusted for shrinkage and end loss. The Fabric Yield calculator gives consumption per unit, and Roll Usage tells you how many garments each roll produces. Because fabric is often 50 to 70 percent of garment cost, tightening this number even slightly with a better marker moves margin more than most labor savings.
What is a good marker efficiency and how do I improve it? Marker efficiency is the area of pattern pieces divided by the total marker area, typically 80 to 88 percent for wovens and a bit lower for shaped knit panels. The Marker Efficiency calculator quantifies the gap, and improving it means better nesting, mixing sizes in one marker, and using the full usable width. A two-point gain across a large cut spreads directly into lower Fabric Yield cost per garment.
How do I cost sewing labor using SAM? SAM, standard allowed minutes, is the total measured time to sew a garment. Garment SAM Labor Cost multiplies SAM by your cost per minute, and dividing target minutes by SAM gives the pieces per operator per hour. Combine it with Stitch Rate and Operator Efficiency Rate to reflect real line performance rather than ideal time, and with Sewing Line Balance to see how many operators each operation needs.
How much shrinkage allowance should I build into a pattern? Shrinkage allowance compensates for fabric contracting during wash and finishing so the garment holds spec after laundering. Use the Wash Shrinkage Rate calculator on a test cut to measure length and width shrinkage, then apply Shrinkage Allowance to size the pattern up before cutting. Cottons and some knits can shrink 3 to 7 percent, and skipping this step causes undersized finished garments and costly recuts.
How do I estimate cutting room and dyehouse capacity? Cutting capacity comes from Fabric Spread Time and Cutting Room Throughput, which combine spreading, marker, and cut time per lay against your table hours. Dyehouse Capacity sizes batches from machine liquor ratio and cycle time, and Dye Batch Cost attaches a per-kilo or per-yard cost. Running these against your Apparel Size Curve Run Window shows whether cutting or dyeing is the constraint before you commit to a ship date.

Last reviewed 2026-05-12.