Enter your own revenue and see the money that comes back from waste, ingredient cost and paperwork. The ₺749 subscription is not left out of the sum — we show the figure with it already subtracted. No email required, the result appears instantly.
Three numbers are enough. The rest are assumptions — all open, all editable, none locked.
Your restaurant
What a piece of software gives back comes from three places: less waste, lower ingredient cost, and time recovered. You have to count them separately because they come from different sources. Waste is the food you bought that spoiled and went in the bin. Ingredient cost is being able to produce the same dish for less — once the recipe settles, once portions are standard, once prices update themselves when a supplier raises theirs. Time is the line most often ignored: entering invoices, counting stock, updating costs and preparing orders take hours every day, and those hours have a price. Subtract the software's monthly fee from the sum of those three and what remains is the real return. The calculator below does exactly that, and it does not leave Gurmion's ₺749 out of the sum.
These are the figures on screen when the calculator opens. You can change all of them to match your own restaurant; none is fixed.
| Input | Default | Source |
|---|---|---|
| Monthly revenue | ₺400,000 | The modelled Istanbul restaurant — Gurmion overview, July 2026. |
| Share of revenue spent on ingredients | 49% | TCMB 2025. |
| Share of ingredients lost to waste | 15% | FAO and TÜGİS 2026 — the lower end of the 15–20% range. |
| Waste and cost reduction | 40% · 7% | Gurmion's own model. Not validated against pilot data. |
| Paperwork | 2.5 h/day · 22 days · ₺148/h | Gurmion's own model; the hourly rate is derived from the ₺8,140 monthly time line. |
Two things need saying plainly. First: this model has not been validated against any pilot's data, and the rates are our estimates. That is why we left them all editable — the number on screen is not our claim, it is your assumption. Second: waste already sits inside ingredient cost, so adding the two raw would count the same lira twice. The calculator does not do that; it first splits ingredient cost into a waste pool and a non-waste pool, then applies the improvement rates to separate pools. The result comes out smaller, but it holds up.
An average month excluding VAT is enough. Drag the slider or type the figure directly.
How much of your revenue goes to ingredients, and how many hours a day do invoices, counting and costing take? These two move the result more than anything else.
Waste share, improvement rates, hourly cost and the subscription amount are all open. If you disagree with our estimates, enter your own — the sum updates instantly.
No. The model has not been validated against any pilot's real data and the improvement rates are our estimates. That is why every rate is editable: if you disagree with a number, change it and the sum runs on your assumption.
Yes. The ₺749 is subtracted from the gain and shown as its own line. The large figure we display is not gross gain — it is what remains after the subscription is paid.
You don't need to give us anything for the sum to run. The result is on screen instantly; you can close the page and leave. If you want to try Gurmion the door is separate and open: 14 days free, no card.
The calculator will tell you. If lowering the revenue turns the net gain negative, then at those numbers Gurmion does not yet pay for itself, and we say so plainly on screen.
No. Gurmion does not replace your till, it works on top of it. We connect your invoices and the cost of your dishes comes out on its own.