garment-cmt-cost

CMT (Cut, Make, Trim) cost calculator for garment factories.

Calculates per-garment making cost from SAM × CPM × efficiency, supports trims and packaging, and compares CMT cost across major sourcing countries. Built and used in production by Scan ERP — the garment manufacturing ERP for CMT factories worldwide.

Install

npm install garment-cmt-cost

Formula

Making cost = (SAM × CPM) / Efficiency
CMT cost    = Making cost + Trims + Packaging

Where:

• SAM = Standard Allowed Minutes per garment
• CPM = Cost Per Minute of the factory (USD)
• Efficiency = decimal (0–1), e.g. 0.50 for 50%
• Trims = thread + labels + buttons + zip per garment
• Packaging = polybag + hangtag + carton allocation per garment

Example: SAM 15, CPM $0.10 (Bangladesh), 50% efficiency, $0.30 trims, $0.20 packaging → Making = (15 × 0.10) / 0.5 = $3.00; CMT = $3.50

Usage

const {
  calculateCMTCost,
  calculateCPM,
  calculateMakingCost,
  estimateCMTByCountry,
  compareByCountry,
  addMargin,
  COUNTRY_CPM_DEFAULTS,
} = require('garment-cmt-cost');

calculateCMTCost({ sam: 15, cpm: 0.10, efficiency: 0.5, trims: 0.30, packaging: 0.20 });
// → { makingCost: 3.0, cmtCost: 3.5, perDozenCmt: 42, perHundredCmt: 350 }

// Compute CPM from your factory's monthly cost
calculateCPM({ monthlyCost: 250000, workers: 200, hoursPerDay: 8, workingDays: 26 });
// → 0.1002 ($/min)

// Compare cost across countries
compareByCountry({
  sam: 15, efficiency: 0.5, trims: 0.3, packaging: 0.2,
  countries: ['bangladesh', 'india', 'vietnam', 'usa'],
});
// → Bangladesh $3.50 | India $5.90 | Vietnam $5.30 | USA $30.50

// Add a factory margin
addMargin(3.50, 15); // → { finalPrice: 4.025, margin: 0.525 }

Country CPM defaults (approx. USD/min)

| Country | CPM | Country | CPM | |-------------|---------|-------------|---------| | Ethiopia | $0.07 | Sri Lanka | $0.20 | | Myanmar | $0.08 | China | $0.25 | | Nepal | $0.09 | Turkey | $0.30 | | Bangladesh | $0.10 | Mexico | $0.40 | | Pakistan | $0.11 | USA | $1.00 | | Cambodia | $0.12 | | | | Vietnam | $0.16 | | | | India | $0.18 | | |

These are industry averages — use calculateCPM with your own salary + overhead data for accurate costing.

Related

• garment-fabric-consumption — fabric usage
• garment-line-efficiency — efficiency calculation
• garment-smv-calculator — SMV / SAM
• garment-piece-rate — piece-rate payment

Try Scan ERP

This calculator is free. The full ERP that uses it daily for CMT quote generation — with live SMV data from your own factory floor — is at scanerp.pro.

• Live demo · 1.4M+ pieces tracked
• CMT cost country comparison 2026
• SMV costing for CMT pricing
• Free 30-day trial

License

MIT © Santosh Rijal / Scan ERP