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Updated November 4, 2026. First published August 2, 2024. Cost lines checked against the AIMS360 pricing and implementation pages.
How do you calculate ROI for an apparel ERP?
Return on investment is a cost and benefit comparison. Two formulas cover it:
| Measure | Formula | What it tells you |
|---|---|---|
| ROI | (Total benefits minus total cost) divided by total cost, over three years | Whether the system pays for itself, as a percentage |
| Payback period | Total upfront cost divided by monthly net benefit after go-live | How many months until you are even |
| Monthly net benefit | Monthly benefits minus monthly running cost | What the system adds each month once it is live |
Three years is the usual window because implementation costs land in year one while most benefits build over the next two. A one-year view makes almost any ERP look expensive; a ten-year view hides how long you wait. Use the same period on both sides.
What costs go into an apparel ERP ROI?
The cost side is where most ROI calculations go wrong, because the license is the smallest surprise. List every line, ask every vendor for it in writing, and add your own team's time.
| Cost line | What to ask | How AIMS360 prices it |
|---|---|---|
| Subscription | Per login, per module or per company? What rises when you grow? | Bronze, Silver and Gold run the same platform; the difference is the number of logins |
| Implementation | Fixed or hourly? Who does the work? Is it scoped before you sign? | Billed hourly by AIMS360's own team, itemized in your quote before you sign |
| EDI | Per document, per retailer, or through a separate EDI provider? | A flat fee per retailer with unlimited transactions, no per-document charges |
| Integrations | Which connectors cost extra, and who maintains them? | Shopify, JOOR, NuORDER, 3PLs and accounting are built in; add-ons are quoted |
| Warehouse | Is the WMS a separate product? Are scanners included? | WMS is in every plan, with a handheld scanner per WMS subscription |
| Support and onboarding | Is support a paid tier? | Free, unlimited support and onboarding on every plan |
| Your team's time | How many hours will your people spend on setup and testing? | Plan for it whichever vendor you choose |
Your team's time is the line people forget. Panorama Consulting suggests planning for 30 to 50% of key staff members' time on a large ERP project. An apparel ERP configured rather than customized usually needs less, but it still needs someone who knows your styles, customers and retailers. See the AIMS360 pricing page for current plans.
Which benefits should apparel companies measure?
Pick benefits you can count from your own records, before and after. These are the ones that move most for wholesale and DTC apparel brands:
| Benefit | How to measure it | Where the baseline comes from |
|---|---|---|
| Hours saved | Hours a week on order entry, EDI re-keying, invoicing, inventory updates, multiplied by loaded hourly cost | A two-week time log by role |
| Chargebacks avoided | Retailer deductions for late ASNs, labels and shortages, per year | Retailer remittances and chargeback reports |
| Excess inventory and markdowns | Units sold below target margin, aged stock value | Inventory aging and margin by style |
| Stockouts and cancellations | Orders cut or cancelled for lack of stock | Cancel reports and fill rate |
| Cash speed | Days from shipment to cash, including factor funding | AR aging and factor statements |
| Growth capacity | Orders, retailers or channels handled per person | Order counts and headcount |
| Errors | Wrong shipments, mis-picks, invoice corrections | Returns and credit memos |
Keep the list short and honest. Five benefits you can measure beat fifteen you have to estimate. If a benefit cannot be counted, mention it, but leave it out of the number.
An apparel ERP ROI worksheet
Fill this in with your own figures. Every line is your number, not a benchmark.
- Total three-year cost (C)
Subscription for 36 months, plus implementation, plus EDI and integration fees, plus hardware, plus your team's hours times their hourly cost.
- Hours saved per year (H)
Hours a week saved by role, times 52, times the loaded hourly cost of that role.
- Losses avoided per year (L)
Chargebacks avoided, plus markdown dollars avoided, plus margin on orders you no longer cancel for lack of stock.
- Cash benefit per year (F)
Days of cash freed, times average daily sales, times your cost of money.
- Three-year benefit (B)
(H plus L plus F) for each year live. Count year one only from go-live, not from the signing date.
- ROI and payback
ROI = (B minus C) divided by C. Payback in months = upfront cost divided by monthly net benefit.
Which questions should you ask before committing to a new ERP?
The original version of this article asked three questions. They still belong at the top of any list:
- Will it grow with us? More logins, brands, warehouses, retailers and channels without a new system or a rebuild.
- Will we have to switch again? Every replacement repeats the migration, the training and the dip in productivity.
- How much manual work does it remove? Count the processes it replaces, not the features it lists.
- What does it cost to be live, not to sign? Implementation, EDI, integrations and your team's time, in writing.
- How long until go-live? AIMS360 rollouts typically go live in 3 to 16 weeks, depending on channels, retailers and warehouses.
- Who does the work? AIMS360 implements with its own team, and scopes the project with you before you sign.
Measuring matters because ERP projects often fall short of their goals. Gartner predicts that by 2027 more than 70% of recently implemented ERP initiatives will not fully meet their original business goals. For the larger build or buy question, see the 3-year cost of building vs buying an ERP and big ERP vs apparel ERP.
Apparel ERP ROI: FAQ
It is the three-year benefit minus the three-year cost, divided by the cost. There is no single industry figure that applies to every brand, because it depends on how much manual work, chargebacks, excess stock and slow cash the system removes for you. Measure your own baseline and calculate it with your numbers.
Record a baseline before you sign: hours spent on order entry, EDI and invoicing, chargebacks, markdowns, cancellations and days to cash. Track the same numbers after go-live, convert the differences to dollars, and compare them with the full three-year cost.
Subscription, implementation, EDI fees, integrations, hardware such as scanners, add-ons and your own team's time on setup, data cleanup, testing and training. Ask each vendor for these in writing, and count the staff time whichever vendor you choose.
Divide the upfront cost by the monthly net benefit after go-live. Payback depends on how fast you go live and how much manual work the system removes. A shorter implementation starts the benefits sooner; AIMS360 rollouts typically go live in 3 to 16 weeks.
Three years is the most useful window. Implementation costs land in year one and benefits build over the next two, so one year understates the return and a very long window hides how long you wait.
Better decisions from better data, happier staff and fewer late nights. They are real but hard to price. Mention them, and keep them out of the number unless you can count them.
Yes. Bring your order volumes, retailer list, chargeback and markdown totals and the hours your team spends on manual work to a demo. AIMS360 scopes implementation before you sign, so the cost side is known, and the team can walk through the benefit lines with you.
- Gartner, What IT Leaders Must Do to Avoid Disappointing ERP Initiatives
- Panorama Consulting, ERP project resource constraints (November 2025)
The worksheet is a method, not a promise of results. Your ROI depends on your own baseline and how the system is used.
