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Fast overview
Storage Hunters Open World Mutation Value Calculator
Use this calculator before you keep bidding on a locker or before you sell a mutated item too quickly. Storage Hunters Open World is built around auction risk: you pay first, haul later, then discover whether the sale was worth the time. A simple estimate can stop you from overbidding when the locker looks exciting but the math is thin.
For the mechanic behind this decision, read Mutations.
What the calculator does
Enter the item's base value, the price you paid or expect to pay, and any mutations you can verify. The calculator adds community-reported mutation multipliers, applies optional condition or grade adjustments, subtracts fees, and shows estimated profit. It also gives a safe bid ceiling based on your desired profit buffer. That ceiling is the number you should compare against the live auction price.
How to read the result
A high estimated profit means the item has room for mistakes, travel time, and a little bidding pressure. A thin margin means the locker may still be fine, but only if you can haul and sell quickly. A risky result means the auction price has already eaten the upside. In that case, walking away is not losing. It is protecting your next chance.
For the next route decision, continue with Best Money Method.
Mutation assumptions
Current public guides list multipliers such as Dirty at 0.8x, Gold at 4x, Diamond at 8x, Hologram at 15x, Void at 35x, and Secret at 50x. Several community notes describe stacking as additive rather than multiplicative, so Silver 2x plus Gold 4x is treated as 6x, not 8x. This site labels that as a community-reported assumption because the game can change and official odds are not published here.
When to use custom values
Use custom values for Rainbow, Black, event-only effects, uncertain grades, or any item where the visible result in your shop does not match a public table. The calculator is strongest when you use numbers you can see in your own session. If a mutation is unclear, run the estimate twice: once with a conservative value and once with the optimistic value. If only the optimistic version makes profit, the bid is probably too risky.
For the mechanic behind this decision, read Mutations.
Example
Suppose a locker contains an item with a base value of 500, a Gold mutation, and a current bid of 1,200. A 4x estimate gives a sale value near 2,000 before adjustments, leaving about 800 profit before fees. If the bidding jumps to 1,900, the same item becomes a thin-margin play. The mutation is still good, but the auction price changed the decision.
Limits
The calculator does not predict drop odds, server events, player competition, or hidden container contents. It also cannot know how long you will spend hauling items back to your shop. Treat it as a bid discipline tool, not a magic answer. Pair it with the Auction Guide and Best Money Method pages when you want a full route decision.
For the next route decision, continue with Best Money Method.