Manual Tradeup Calculator
Build a contract from a mix of locked Steam inventory items and editable market items. Inventory picks use fixed calculator defaults. Market picks let you change price and float, and the wear/name updates if your float crosses a boundary.
Selected
0
Target Size
10
Input Rarity
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Output Rarity
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Contract Value
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Contract Inputs
0 slots selected
Add items from your inventory or from the market to start a manual contract.
Calculator Result
Add at least one item to initialize the calculator.
Add Market Item
Predictive search returns exact tradeup-eligible items only.
Add Inventory Item
Sign in with Steam to add inventory items. Market items still work without inventory access.