- Cost
- $13.13
- EV
- 70%
- $9.15
- Profit
- −$5.17
- after fee
- Win %
- 0%
- to profit
Avg float ≤ 0.233 (needs < 0.236)3 outcomesActive market
Reverse trade-up finder
Trade up to R8 Revolver | Skull Crusher
10 Restricted skins from the Prisma Case collection can become R8 Revolver | Skull Crusher. Pick a wear to see every realistic route, its odds, cost and the input float it needs.
Prices as of Oct 27, 2026Steam Community Market averages · snapshot 2026-10-27 10:25 UTC
Field-Tested R8 Revolver | Skull Crusher needs an average normalized input float below 0.2364 (output float 0.250–0.380). Best chance per contract: 33.3%.
- Cost
- $20.27
- EV
- 89%
- $18.13
- Profit
- −$4.51
- after fee
- Win %
- 40%
- to profit
Avg float ≤ 0.233 (needs < 0.236)6 outcomesActive market
- Cost
- $14.72
- EV
- 85%
- $12.46
- Profit
- −$3.88
- after fee
- Win %
- 0%
- to profit
Avg float ≤ 0.236 (needs < 0.236)6 outcomesActive market
- Cost
- $9.94
- EV
- 73%
- $7.27
- Profit
- −$3.62
- after fee
- Win %
- 7%
- to profit
Avg float ≤ 0.233 (needs < 0.236)6 outcomesActive market
- Cost
- $9.10
- EV
- 65%
- $5.89
- Profit
- −$3.98
- after fee
- Win %
- 3%
- to profit
Avg float ≤ 0.236 (needs < 0.236)6 outcomesActive market
- Cost
- $10.62
- EV
- 83%
- $8.86
- Profit
- −$2.91
- after fee
- Win %
- 0%
- to profit
Avg float ≤ 0.232 (needs < 0.236)6 outcomesActive market
Required input float for each R8 Revolver | Skull Crusher wear
| Wear | Output float | Avg normalized input float | Cheapest route | Best chance |
|---|---|---|---|---|
| Factory New | Not possible — outside this skin's 0.25–0.80 float range | |||
| Minimal Wear | Not possible — outside this skin's 0.25–0.80 float range | |||
| Field-Tested | 0.250–0.380 | < 0.2364 | $9.10 | 33.3% |
| Well-Worn | 0.380–0.450 | ≥ 0.2364 and < 0.3636 | no priced route | — |
| Battle-Scarred | 0.450–0.800 | ≥ 0.3636 and any | $4.98 | 33.3% |
The average is over every input's float normalized to its own range. Output float = 0.25 + average × 0.55.
Other trade-up targets in this collection
How CS2 trade-up contracts work
Inputs & odds
10 skins of one rarity become 1 skin of the next rarity (Mil-Spec → Restricted → Classified → Covert). Since the October 2025 update, 5 Covert skins can become a knife or gloves from those skins' case. Each input collection gets its share of the odds (inputs from it ÷ total), split evenly across that collection's next-tier skins.
Float math
Every input float is normalized to its own skin's range — (float − min) ÷ (max − min) — and averaged. Each output's float is its min + average × (max − min), so a restricted-range skin like 0.10–0.20 can only land in the wears its range allows.
Prices, fees & freshness
Values are Steam Community Market averages from the snapshot dated on each page. Profit subtracts the ~13% Steam seller fee. StatTrak™ inputs give StatTrak™ outputs (knives only — gloves have no StatTrak™). Map collections outside weapon cases aren't in DropLabz's dataset yet.
Pick the skin you want in the reverse trade-up finder, check any contract in the trade-up calculator, or compare with opening cases on case ROI and knife odds.