# SMV Costing: How to Use SMV to Price CMT Orders in a Garment Factory > Complete SMV costing guide for garment factories. Formula: CMT Cost = SMV × Cost Per Minute. Calculate CPM from monthly wages and available minutes. Worked examples for pricing t-shirt, polo, shirt, and jeans orders. **Source:** [https://scanerp.pro/blog/smv-costing-cmt-pricing-garment-factory.html](https://scanerp.pro/blog/smv-costing-cmt-pricing-garment-factory.html) --- SMV Costing: How to Use SMV to Price CMT Orders in a Garment Factory | Scan ERP # SMV Costing: How to Use SMV to Price CMT Orders in a Garment Factory S Santosh Rijal · April 24, 2026 · 9 min read SMV Costing **TL;DR — Direct Answer:** CMT Cost = SMV × Cost Per Minute (CPM). Factory CPM = Total Daily Cost / (Operators × Shift Minutes × Efficiency%). Adjusted formula for realistic quoting: CM Cost = (SMV × Minute Cost) / Line Efficiency%. Add 15-25% margin for final CMT quote. Worked example: 11.0 SMV polo at NPR 4.90/min CPM and 60% efficiency = NPR 58.41 cost + 20% margin = NPR 70 CMT quote per piece. Most common pricing mistake: quoting at 100% efficiency instead of realistic 60-75%. You have a SMV value for a new style. Now you need to turn it into a CMT price you can quote to the buyer. This is where most garment factories make their costliest decision of the quarter — and where most factories in South Asia lose money by accident. SMV costing is a simple two-input formula: the garment's SMV multiplied by the factory's Cost Per Minute. But every factory owner who has quoted an order at 100% efficiency when their floor runs at 55% understands what happens next: the order runs, the margin disappears, and they wonder where the profit went. This guide walks through the complete SMV-based costing workflow — how to calculate your factory CPM, how to apply it with realistic efficiency adjustments, and how to turn the numbers into a defensible CMT quote. The formulas are sourced from standard industrial engineering practice documented by [OnlineClothingStudy](https://www.onlineclothingstudy.com/2011/02/garment-cm-cost-estimation-using-sam-or.html), [Textile Engineering](https://textileengineering.net/how-to-calculate-cost-per-minute-cpm-in-garment-industry/), and the [Fair Wear Foundation Labour Minute and Product Costing Calculator](https://asiagarmenthub.net/Members/ceb9d101001246c0aef2bdce3ec73db9/guidance-for-use-of-the-fair-wear-labour-and-minute-and-product-costing-calculator-final.pdf). ## The Core CMT Costing Formula Key Numbers - The **15%** efficiency drop (65% → 50%) increases CM cost by NPR 6.90 per piece. - Effective CPM at **60%** efficiency: 4.90 / 0.60 × 0.65 (normalize from 65% baseline) = NPR 5.31/min - Operator wages (**40 × NPR** 18,000 avg): NPR 720,000 - Labor-only CMT at **100%**: 10.39 × 1.44 = NPR 14.96 - Labor-only CMT at **65%** efficiency: 10.39 × 1.44 / 0.65 = NPR 23.02 **CMT Cost per garment = SMV × Cost Per Minute (CPM)** This is deceptively simple. The two variables hide most of the work: - **SMV** — Standard Minute Value of the garment. How many sewing minutes it takes to make, including allowances for machine and personal time. [See our SAM values reference table](../blog/sam-values-basic-garments-reference-table.html) for typical SMVs by garment type. - **CPM** — Cost Per Minute of running the factory. Total cost divided by productive minutes. ## Step 1: Calculate Factory Cost Per Minute (CPM) CPM is where most factories get costing wrong. There are two versions of CPM and they give very different numbers: ### Labor-only CPM (common mistake) Some factories calculate CPM as just operator wages divided by available minutes. This massively undercounts the true cost of producing a garment. Labor CPM = Monthly Operator Wages / (Operators × Working Days × Shift Minutes) This misses: supervisor wages, helper wages, quality control, machine overhead, electricity, rent, consumables. Factories that quote from labor-only CPM go bankrupt quickly. ### Factory CPM (correct approach) Factory CPM includes all costs required to produce garments: **Factory CPM = Total Daily Factory Cost / Total Productive Minutes Per Day** Where: - **Total Daily Factory Cost** = operator wages + supervisor wages + helper wages + QC wages + admin share + rent share + electricity + consumables + machine depreciation - **Total Productive Minutes** = operators × shift minutes × line efficiency% ### Worked Example: 40-Operator Nepali Factory Monthly cost breakdown (Nepal CMT factory) **Operator wages (40 × NPR 18,000 avg):** NPR 720,000 **Helpers, checkers, supervisors (8 people):** NPR 240,000 **QC and cutting staff (4 people):** NPR 120,000 **Rent, electricity, utilities:** NPR 180,000 **Consumables (needles, oil, stationery):** NPR 50,000 **Admin, accounts, management share:** NPR 200,000 **Machine depreciation (amortized):** NPR 80,000 **Total monthly cost:** NPR 1,590,000 **Working days per month:** 26 **Operators:** 40 **Shift minutes:** 480 (8 hours) **Line efficiency:** 65% **Daily productive minutes:** 40 × 480 × 0.65 = 12,480 min **Monthly productive minutes:** 12,480 × 26 = 324,480 min **Factory CPM:** 1,590,000 / 324,480 = **NPR 4.90 per productive minute** Compare to the labor-only CPM: 720,000 / (40 × 26 × 480) = 720,000 / 499,200 = NPR 1.44/min. The factory CPM is 3.4x higher. Quoting on labor-only CPM would mean eating the other 70% of cost out of margin. ## Step 2: Apply CPM to SMV for CMT Pricing Now the straightforward part. For each garment: CMT Cost = SMV × Factory CPM ### Worked Examples Across Garment Types Garment SMV (min) CPM (NPR) CMT Cost / piece Basic T-shirt 8.5 4.90 NPR 41.65 Short sleeve polo 10.39 4.90 NPR 50.91 Long sleeve polo 14.00 4.90 NPR 68.60 Formal full-sleeve shirt 22.32 4.90 NPR 109.37 5-pocket jeans 11.65 4.90 NPR 57.09 Formal trouser 28.00 4.90 NPR 137.20 Hoodie 21.00 4.90 NPR 102.90 These are **cost prices**, not quote prices. Add margin before quoting. ## Step 3: Adjust for Line Efficiency (Critical) Here is where most CMT factories lose money. The CPM calculation above already accounts for efficiency in the denominator (productive minutes, not available minutes). But when a style is new to the line, efficiency on that style will drop for the first 1-2 weeks as operators learn the construction. If you quote at steady-state efficiency and the buyer expects delivery before steady-state is reached, your effective CPM shoots up. [Textile Engineering's CPM guide](https://textileengineering.net/how-to-calculate-cost-per-minute-cpm-in-garment-industry/) documents the practical adjustment: Adjusted CM Cost = (SMV × Minute Cost) / Effective Line Efficiency% If your typical efficiency is 65% but a new style runs at 50% for the first two weeks: Polo shirt CMT cost with efficiency adjustment **SMV:** 10.39 min **Labor-only CPM at 100% efficiency:** NPR 1.44/min **Labor-only CMT at 100%:** 10.39 × 1.44 = NPR 14.96 **Labor-only CMT at 65% efficiency:** 10.39 × 1.44 / 0.65 = **NPR 23.02** **Labor-only CMT at 50% efficiency:** 10.39 × 1.44 / 0.50 = **NPR 29.92** **The 15% efficiency drop (65% → 50%) increases CM cost by NPR 6.90 per piece.** On a 10,000-piece order, that is NPR 69,000 in unexpected cost. ## Step 4: Add Margin and Finalize Quote CMT factories typically target 15-25% margin on top of CM cost. The margin covers profit + contingency (quality rework, late delivery penalties, fabric shortage handling). CMT Quote = CM Cost × (1 + Margin%) ### Full Quoting Example: 20,000-Piece Polo Order Buyer requests quote for 20,000 polo shirts, short sleeve, basic **Validated SMV (after sample time study):** 11.0 min (slightly higher than reference 10.39 due to unusual placket) **Factory CPM:** NPR 4.90/min **Expected efficiency on this style:** 60% (new style, first time running) **Effective CPM at 60% efficiency:** 4.90 / 0.60 × 0.65 (normalize from 65% baseline) = NPR 5.31/min **CM Cost per piece:** 11.0 × 5.31 = NPR 58.41 **Margin (20%):** NPR 11.68 **CMT Quote per piece:** **NPR 70.09** **Total quote for 20,000 pieces:** NPR 1,401,800 **At USD/NPR of 133:** approximately USD 10,540 for the order, or **USD 0.53 per piece CMT**. ## Benchmarks: Typical CMT Prices in South Asia CMT prices vary widely by country, factory size, buyer relationship, and style complexity. Here are reference ranges documented across industry sources: Garment Bangladesh (USD) India/Nepal (USD) Vietnam (USD) Basic T-shirt $0.30 – $0.50 $0.40 – $0.70 $0.50 – $0.80 Polo shirt $0.50 – $0.80 $0.60 – $1.00 $0.80 – $1.30 Formal shirt $1.20 – $2.00 $1.50 – $2.50 $2.00 – $3.50 5-pocket jeans $0.80 – $1.40 $1.00 – $1.80 $1.20 – $2.20 Structured jacket $4.00 – $7.00 $5.00 – $9.00 $7.00 – $12.00 Bangladesh has the lowest CMT due to low wages and high efficiency from scale. Vietnam has the highest due to higher wages and preference for technical products. Nepal and India fall in between. ## Common SMV Costing Mistakes That Erode Margin 1. **Using buyer-provided SMV without validating.** Always run a time study on a sample piece before accepting buyer-quoted SMV values. Actual SMV in your factory can be 15-30% higher than theoretical. 1. **Quoting at 100% line efficiency.** No line runs at 100%. Quote at realistic efficiency (60-75% for typical CMT factories). 1. **Using labor-only CPM.** Labor is only 40-50% of total cost. Quoting on labor CPM means eating all overhead out of margin. 1. **Ignoring learning curve on new styles.** Efficiency drops 10-20% on the first lot of a new style. Build this into the quote or negotiate a higher rate for the first lot. 1. **Not tracking actual CPM monthly.** CPM changes as wages rise, utility costs shift, and efficiency drifts. Recalculate CPM at least quarterly to keep quotes accurate. 1. **Accepting high-SMV styles at low-SMV prices.** Buyers push for "cost parity" across styles. A 20-SMV formal shirt should not be priced at polo rates. Enforce SMV-based pricing or decline the order. ## How ERP Software Automates SMV Costing Manual SMV costing works but is time-consuming for a factory running 10+ active styles. A garment ERP system can automate the workflow: 1. **Automatic SMV measurement** from QR scan timestamps — every bundle scan is a data point, so the system builds real-world SMV from thousands of cycles (far more data than a 10-cycle stopwatch study). 1. **Live CPM calculation** from integrated wage + overhead + productive-minute data. The CPM updates daily instead of quarterly. 1. **Automatic efficiency tracking** by line, style, and operator — so quotes can be generated at the actual efficiency rate for each style. 1. **Quote generation** that pulls SMV, CPM, efficiency, and margin automatically to produce defensible CMT prices in minutes rather than hours. For an overview of how a [garment ERP system](https://scanerp.pro/) handles production data integration, see our [complete garment ERP system guide](../blog/garment-factory-erp-system-complete-guide.html). For the formula behind the underlying piece-rate payments that feed CPM, see the [piece-rate payment calculation guide](../blog/piece-rate-payment-calculation-garment-factory.html). ## Practical Summary 1. Calculate Factory CPM: Total Daily Cost / (Operators × Shift Minutes × Efficiency%) 1. Validate SMV with a time study on a sample piece — do not trust reference values or buyer-quoted SMVs without checking. 1. Calculate CM Cost: SMV × CPM, adjusted for the specific style's expected efficiency. 1. Add margin (15-25% typical) to get CMT quote. 1. Recalculate CPM at least quarterly to keep quotes accurate as wages and costs change. SMV costing is not difficult math. The hard part is discipline — resisting pressure to quote at 100% efficiency, refusing to accept unvalidated buyer SMVs, and maintaining an honest CPM that includes all overhead. Factories that get these three things right survive the inevitable thin-margin quarters. Factories that don't, don't. *Santosh Rijal is the founder of [Scan ERP](https://scanerp.pro/). This article draws on industry costing practice documented by OnlineClothingStudy, Textile Engineering, the Fair Wear Foundation Labour Minute Costing Calculator, and ORDNUR. All worked examples reflect typical Nepali CMT factory conditions.* SR ### About Santosh Rijal Founder & CEO of Scan ERP · MBBS · Garment Factory Owner (Nepal) Medical Doctor turned garment factory owner. Runs Trishakti Apparel — a 100+ machine, 150+ worker CMT factory in Gaindakot, Nawalpur where Scan ERP was first developed and tested across 1,400,000+ piece cycles. Featured in Setopati for the journey from medicine to garment manufacturing entrepreneurship. [LinkedIn ↗](https://www.linkedin.com/in/santosh-rijal) [Crunchbase ↗](https://www.crunchbase.com/person/santosh-rijal) [More articles →](/blog/) OPEN SOURCE · MIT ### CMT cost calculator with country comparison Compare CMT cost across Bangladesh, India, Vietnam, USA and 9 more countries — built into a single open-source package. $ npm install garment-cmt-cost $ pip install garment-cmt-cost $ npm install garment-smv-calculator $ pip install garment-smv-calculator [Try it live →](/tools/) [See all 8 packages →](/blog/open-source-garment-toolkit.html) ### Automate Your CMT Quoting Scan ERP tracks real SMV from QR scans, calculates live CPM, and generates CMT quotes adjusted for actual line efficiency. Stop losing margin to spreadsheet errors. [Request a Free Demo](https://scanerp.pro/#contact) ## Related guides from the field More from a working CMT factory floor. [ ### Garment Costing CMT Calculation: Formulas & Examples Learn how to calculate garment manufacturing cost with real CMT formulas, cost per minute calculation, and com… ](/blog/garment-costing-cmt-calculation-guide.html) [ ### How to Calculate SMV: Formula = Observed Time × Rating × (1 + Allowance%) SMV Formula: SMV = Observed Time × Performance Rating × (1 + Allowance%). Step-by-step stopwatch method with w… ](/blog/how-to-calculate-smv-stopwatch-method-garment-industry.html) [ ### SAM & SMV Formula in Garment Industry: SMV = Basic Time × 1.30 (Free Calculator) SMV Formula: SMV = Basic Time × (1 + Allowance%). 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