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Top picks · 2026

The best CS2 case roi calculators, ranked.

Calculators that aggregate the prices of every possible drop from a CS2 case (or souvenir capsule) weighted by drop probability, returning the expected value of one opening. Useful for deciding when to crack vs hold. We re-tested every entry on a 90-day cycle — this is what we’d send a friend who asked “which one should I use?”

Ranked by CS2Apps editorial · last reviewed 2026

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  1. #1 pick
    CSROI· free

    Case opening + Armory ROI calculator with arbitrage scanner.

    Best for: Quick "EV of opening a case right now" answers

    • Most up-to-date case ROI calculator on the web
    • Covers active, discontinued, and rare cases
    • Includes Armory rotation calculator
    Full review →Visit CSROI

Frequently asked questions about CS2 case roi calculators

Answers to the questions readers most commonly ask before picking.

What's the best CS2 case roi calculators in 2026?
Our top pick is CSROI — Case opening + Armory ROI calculator with arbitrage scanner. It's best for quick "ev of opening a case right now" answers. The full top-3 ranking is on this page, with the runners-up and honourable mentions below.
Are there any free CS2 case roi calculators?
Yes — CSROI is free to use. Case opening + Armory ROI calculator with arbitrage scanner.
How do you rank CS2 case roi calculators?
We rank by features that matter to real users first, then breadth of coverage, UX, and freshness of the underlying data. Every tool is hand-tested on a 90-day cycle. No paid placements — read our full methodology for the scoring details.
How often is this case roi calculators list updated?
Each entry has a "Verified" date on its individual review page. We re-test every tool roughly every 90 days and re-rank whenever a feature change, pricing change, or new entrant changes the order.

How we ranked these: features that matter to actual CS2 traders, then breadth of coverage, then UX, then freshness of data. No paid placements — read the full methodology.

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