How to Calculate Distributor ROI (And Why Margin Misleads You)

The number that actually runs the business

Ask a distributor how a line is doing and you will usually hear a margin percentage.

Margin is the wrong lens for this business. A distributor's constraint is not sales — it is capital. Your money sits in two places: stock in the godown, and invoices retailers have not paid. Everything you can do is limited by how much is tied up and for how long.

That makes return on investment, not margin, the operating number.

The simple version

At its most basic:

ROI = (return − investment) ÷ investment × 100

The ROI Calculator does this arithmetic. The hard part is not the formula — it is deciding what counts as "investment" for a distribution line.

What counts as tied-up capital

For a single product line, your capital is:

• •Average stock value at cost — not peak, average across the period
• •Receivables against that line — what retailers owe you for it
• •Minus credit your supplier gives you on it, because that portion is funded by them, not you

That third item matters and is routinely forgotten. A brand giving you 30 days of credit is financing part of your working capital. A brand demanding advance payment is not.

A worked example

Numbers to re-run with your own; these are illustrative, not benchmarks.

Take two lines you might carry:

Line B has double the margin and barely half the ROI.

Nothing about that is exotic. The staple turns fast, the supplier funds part of it, and the receivables clear quickly. The premium line earns more per sale and ties up more money for longer to do it.

If you ranked these on margin — as most distributors do — you would prioritise the wrong one.

The three levers

ROI moves through exactly three things, and it is useful to know which you are pulling:

1. Margin per unit. The obvious lever and usually the least available — brands set it. Where you do have room, the Profit Margin Calculator and Markup to Margin Converter keep the arithmetic straight.

2. Turnover speed. How many times a year you sell through. This is the lever most distributors under-use. Doubling turnover at the same margin roughly doubles ROI, without negotiating anything. The Inventory Turnover Calculator gives you turns and days-on-hand per line.

3. Collection speed. Every day earlier a retailer pays is a day that rupee is available again. A schedule that starts before the due date rather than after it is the cheapest ROI improvement available — see udhaar recovery.

Where distributors get it wrong

Ranking lines by margin. Covered above, and it is the main one.

Ignoring dead stock. Slow SKUs sitting in the godown are capital with a return of roughly zero. They rarely appear in any line's ROI because nobody attributes them. Ageing your stock and looking at what has not moved in 90 days usually finds real money.

Treating scheme goods as free. They reduce landed cost and therefore change ROI. Put them into the Landed Cost Calculator so comparisons between brands are honest.

Forgetting the cost of capital. A 15% ROI funded by 18% credit is a line that loses money in a way the P&L will not show you for months.

The habit worth building

Once a quarter, list your top ten lines with four columns: gross profit, average stock, receivables, supplier credit. Compute ROI for each.

The ranking will not match your intuition, and the lines at the bottom are the conversation — either they earn more, turn faster, collect sooner, or they make room for something that does.

For the wider set of leaks that ROI does not capture, see fixing the four leaks in a beat.

Where the capital actually sits

Before computing anything, it helps to see how a distributor's money is distributed — because the intuition is usually wrong.

For most FMCG distribution businesses the split is roughly: stock in the godown, receivables from retailers, and a small operating float. Fixed assets — vehicle, godown fit-out, computers — are usually the smallest part, which surprises people who think of them as the investment.

That matters because it tells you where improvement is available. Squeezing a better price on a delivery van moves almost nothing. Reducing days-on-hand by a week, or pulling collections in by five days, moves the number that actually constrains the business.

Two ratios worth watching monthly

ROI is the summary number, but it moves too slowly to manage day to day. Two components respond faster:

Days on hand — how long stock sits before it sells. The Inventory Turnover Calculator gives it per line. Rising days on hand is the earliest signal that a line is dying, usually visible a month or two before it shows in billing.

Days to collect — from invoice date to money received, by retailer. Rising days to collect on a specific account is the earliest signal of a credit problem, and it is visible long before the account actually defaults.

Together they tell you how long each rupee is out of your hands. That duration is the thing ROI is really measuring.

The scheme distortion

One adjustment that changes rankings more than people expect.

Free-goods schemes reduce your effective landed cost, but they arrive irregularly — a quarter with a big scheme makes a line look better than it is, and a quarter without makes it look worse.

Two fixes:

• •Compute landed cost including free goods across a full year, not a quarter. The Landed Cost Calculator handles the per-unit arithmetic.
• •Ask whether the scheme is structural or promotional. A brand that has run 10+1 every quarter for two years is effectively offering a lower price. One that ran it once to clear stock is not, and pricing your business as though it recurs is how margins quietly erode.

What ROI does not tell you

It is a summary, and summaries hide things worth knowing.

Strategic lines. Some SKUs earn poor ROI and are still worth carrying, because a retailer expects you to have them and their absence costs you the whole bill. Range completeness has value that does not appear per line.

Risk concentration. Two lines with identical ROI are different businesses if one depends on a single brand that could appoint another distributor next year.

Growth trajectory. A line at 25% ROI and growing is worth more than one at 35% and shrinking.

Use ROI to rank and to prompt questions — not as the final answer on what to carry.

FAQ

What distributors ask when they first run these numbers.