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DigiGarment SAM Analysis Report

Generated on | Technical Garment Operation Standard Allowed Minutes Sheet

⚒ Technical SAM / SMV Calculator

Measure, optimize, and standardize garment production operations. Calculate Standard Allowed Minutes (SAM) / Standard Minute Value (SMV) in real time using parameters such as machine speed, seam length, stitch density, operators handling times, and specialized garment manufacturing allowances.

Operation Parameters

Calculation Results

Operation SAM / SMV
0.1495 mins
≈ 8.97 seconds per operation cycle
Sewing Time: 1.80s
Handling Time: 5.00s
Allowance Time: 1.17s
Stitch Count Per Cycle
120 Stitches
Basic Cycle Time
6.80 seconds
Standard Output (100% Efficiency)
401 Pcs/Hr
Hourly Target
321 Pcs
Shift Target (8h)
2,568 Pcs

Garment Style Operation Sheet

Seq Operation Name Machine Type Parameters RPM Handling Time Allowance % Op SAM (Min) Action
No operations added. Add operations from the calculator form above.
Total Operations 0 distinct process steps
Garment Style SAM 0.0000 min ≈ 0.0s cumulative basic time
Line Target (100% Eff) 0 pcs/h based on 15 operators
Shift Output (80% Eff) 0 pcs 8 hours shift production

Understanding Standard Allowed Minutes (SAM) & Standard Minute Value (SMV)

What is SAM?

Standard Allowed Minutes (SAM) is the standardized time allocated to a qualified operator to complete a specific manufacturing task when working at a normal pace, including basic handling, sewing cycle, and industrial allowances.

What is SMV?

Standard Minute Value (SMV) is essentially identical to SAM in modern apparel engineering. It reflects the standard minute value of garment construction used globally in production planning, order costing, and line capacity balancing.

Technical Calculation Formula

1. Total Stitches = Seam Length × Stitch Density (SPI / SPC)

2. Machine Sewing Time (s) = (Total Stitches / Machine Speed RPM) × 60

3. Basic Cycle Time (s) = Machine Sewing Time + Handling/Positioning Time

4. Total Allowances (%) = Personal + Fatigue + Machine Delay + Bundle Handling

5. Operation SAM (Minutes) = [Basic Cycle Time × (1 + Total Allowance % / 100)] / 60

Industrial Garment Allowances Guide

Personal Allowance (3% - 5%) Covers basic personal needs such as drinking water and short breaks during working hours.
Fatigue Allowance (2% - 4%) Compensates for physical and mental tiredness from repetitive sewing motions.
Machine Delay (1% - 3%) Accounts for minor thread breaks, bobbin changes, and needle replacements.
Bundle Handling (2% - 4%) Allocated time for opening, sorting, and tying work bundles between garment panels.

Frequently Asked Questions (FAQ)

What is the difference between SAM and SMV in garment manufacturing?

SAM (Standard Allowed Minutes) and SMV (Standard Minute Value) both represent the standardized time required by a qualified operator to complete a specific garment operation. In most modern apparel engineering and industrial engineering practices, the terms are used interchangeably, with SAM commonly preferred in Asian manufacturing hubs and SMV frequently used in European and American costing sheets.

How is Garment SAM calculated?

SAM is calculated by adding the machine sewing time to the operator handling/positioning time, and then adding manufacturing allowances (personal, fatigue, delay, and bundle handling): SAM = (Basic Time + Handling Time) × (1 + Total Allowance Percentage / 100).

How do you calculate hourly production target from SAM?

Hourly target at 100% efficiency is calculated as: Target (Pcs/Hour) = 60 / SAM. When planning for a line target with multiple operators at an operational efficiency percentage, the formula is: Line Target/Hour = (Number of Operators × 60 / Style SAM) × (Efficiency % / 100).