GMROI Table: GMROI by Gross margin (currency)
Reference table of GMROI for GMROI across a range of gross margin (currency) values — exact, engine-computed figures you can read off at a glance.
GMROI Calculator
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
GMROI
2.00
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the GMROI Calculator
The GMROI Calculator works out your gmroi in an instant. Enter gross margin (currency) and average inventory cost and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the gross margin (currency).
- Enter the average inventory cost.
- Read off your gmroi — the calculator updates automatically, with no button to press.
Formula
The GMROI Calculator uses the formula:
GMROI = Gross margin (currency) ÷ Average inventory cost
Worked example
For example, with gross margin (currency) of 200,000 and average inventory cost of 100,000, the gmroi is 2.00.
| Gross margin (currency) | 200,000 |
|---|---|
| Average inventory cost | 100,000 |
| GMROI | 2.00 |
|---|
Results are estimates for educational use, not professional advice.
Key terms explained
- Mean
- The average of a set of numbers — their sum divided by how many there are.
Frequently asked questions
Gross margin return on investment divides gross margin by average inventory cost. 200,000 margin on 100,000 inventory is 2.0.
It means you earn 2 in gross margin for every 1 invested in inventory.
Above 1 means margin exceeds inventory cost. Retailers often target well above 2, but it varies by sector.
Raise margins, sell inventory faster, and reduce slow-moving stock that ties up cash.
The GMROI Calculator uses the formula: GMROI = Gross margin (currency) ÷ Average inventory cost. For example, with gross margin (currency) of 200,000 and average inventory cost of 100,000, the gmroi is 2.00.
Related guides
How to Calculate GMROI: Formula, Steps & Examples
Learn how to calculate GMROI — the formula explained step by step, with worked examples and a free calculator to check your answer.