Zarys FTF Calculator
If you've traded in Flee the Facility for a while, you know the name. The Zarys FTF calculator is the community's original trade checker — and this is its official home.
What is the Zarys FTF calculator?
The Zarys FTF calculator is a browser tool for Roblox Flee the Facility that compares both sides of a trade and tells you whether it's a Win, Fair, or Lose. It was originally created by Zarys (@Zvarys) and became the go-to value checker for the FTF trading community because it reads directly from the official FTF values list.
Players searching for “Zarys calculator” or “Zarys FTF calculator” are usually looking for exactly this tool — item-by-item value comparison with hammer/gem support, demand and stability indicators, and a clear W/F/L result.
Everything the Zarys calculator includes
- ✔ Win / Fair / Lose trade comparison with a live value bar
- ✔ All 458 items from the official FTF values list
- ✔ Hammer (H) and gem (G) modes with exact broken-item ratios
- ✔ Demand (1–4) and stability indicators on every item
- ✔ FV and HV unit switching (1 HV = 30 FV)
- ✔ Save any trade as a shareable image
- ✔ Free inventory tracker with optional Discord cloud sync
Why do players search for “Zarys calculator”?
Trading communities adopt tools by name. “Run it through the Zarys calculator” means: compare both offers using the official value list before accepting. Other sites now copy the name and layout — this page exists so you always land on the original tool with the live data, not an imitation.
Frequently asked about the Zarys calculator
Is the Zarys calculator free?
Yes — the calculator, value list, and inventory tracker are completely free. No registration is required to check trades.
Where do the values come from?
Values are synced from the official FTF values list (ftf-values.base44.app) and updated within minutes of each value list change. See the methodology page for the exact rules.
Does it work on mobile?
Yes — the calculator is fully responsive and works in any browser on phones, tablets, and desktops.