CS2 trade up sites and calculators compared (2026)
Short answer: All good trade up sites compute the same odds and float, because the rules are fixed. They differ in price data, fees, whether they support the 5-Covert knife trade up and whether they find profitable contracts for you. Here is an honest comparison, including us.
| Site | Price | Knife trade up | Profit finder | Fees | Currencies | Extras |
|---|---|---|---|---|---|---|
| CS2TradeUp.gg | Free, no login | Yes (all 43 cases) | Yes, ~2,100 contracts, daily | Steam / CSFloat / Skinport / Buff | 12 | Skin, collection and case pages with odds; auto-build cheapest contract; share link |
| TradeUpSpy | Free + paid tier | Yes | Yes (twice weekly, paid) | Steam fee toggle | 30+ | Inventory import, trade up tracker, skin database |
| CSDelta | Free | Yes | Community database (48h) | — | — | Price charts, optimal float range, Discord alerts |
| TradeUpLab | Free | No | Yes, with filters | — | — | Risky/safe lists, items database, blog |
| CaseCalculator | Free | Yes | Yes (30-min recompute) | 13 markets | — | Case opening simulator, case ROI |
| SteamAnalyst | Free | Yes | Reverse trade up | Before/after 15% fee | — | Inventory import, reverse trade up finder |
| CSFloat | Free | No | No | CSFloat prices | — | Buy inputs directly on CSFloat market |
| CS2Locker | Free | Yes | No | 12+ markets | — | Inventory import |
Which one to use
- To verify a contract before crafting: any calculator with live prices and a fee setting. Ours shows every outcome with float, odds, 7-day trend and buy links – try it.
- To find contracts: TradeUpLab, CSDelta’s database, CaseCalculator’s finder or our profitable trade ups (all ~2,100 single-collection contracts, daily).
- For knife trade ups: a site that models the case pools – TradeUpSpy, CaseCalculator, SteamAnalyst or our knife calculator with all 43 cases.
- To track your results: TradeUpSpy’s tracker (paid tier).
Comparison based on each site’s public features on 2026-09-25. Tell us if something changed.
Open the free CS2 trade up calculator
Related questions
What is the best CS2 trade up site?
For quickly checking odds, float and profit with live prices and no account, CS2TradeUp.gg. For tracking your own trade up history, TradeUpSpy. For community-submitted contracts, CSDelta. Most players use two: a calculator to verify and a finder to discover.
Are trade up calculators accurate?
The odds and float formula are deterministic, so every serious calculator gives the same odds and float. The difference is the price source (freshness, which markets) and whether fees are included – that is what changes the profit estimate.
Are CS2 trade up sites safe?
Calculators that do not ask for your Steam login or trade URL are safe – they only compute numbers. Be careful with any site that asks you to log in with Steam or to trade items to a bot.