TFT Roll Odds Calculator (Set 18)
Every roll costs 2 gold and shows a new shop of 5 champions. Your level decides which costs show up; the copies left in the pool decide which champions.
Shop odds by level
| Level | 1 cost | 2 cost | 3 cost | 4 cost | 5 cost |
|---|---|---|---|---|---|
| 1 | 100% | 0% | 0% | 0% | 0% |
| 2 | 100% | 0% | 0% | 0% | 0% |
| 3 | 75% | 25% | 0% | 0% | 0% |
| 4 | 55% | 30% | 15% | 0% | 0% |
| 5 | 45% | 33% | 20% | 2% | 0% |
| 6 | 30% | 40% | 25% | 5% | 0% |
| 7 | 19% | 30% | 40% | 10% | 1% |
| 8 | 15% | 20% | 32% | 30% | 3% |
| 9 | 10% | 17% | 25% | 33% | 15% |
| 10 | 5% | 10% | 20% | 40% | 25% |
Champion pool
| Cost | Copies per champion | Champions | Total pool |
|---|---|---|---|
| 1 cost | 30 | 14 | 420 |
| 2 cost | 25 | 13 | 325 |
| 3 cost | 18 | 14 | 252 |
| 4 cost | 10 | 14 | 140 |
| 5 cost | 9 | 10 | 90 |
The pool is shared by all players: copies other players hold cannot show up in your shop.
Roll calculator
The calculator handles every shop slot one by one and removes copies in the shop or bought from the pool. It assumes you buy every copy you see and other players do not change the pool meanwhile. Gold goes to rolls (2 each) and copies (their cost).
Frequently asked questions
What are the 4-cost odds at level 8?
In Set 18, each shop slot at level 8 is a 4-cost with 30% chance. It is 33% at level 9 and 40% at level 10.
How many copies of each champion are in the pool?
There are 30 copies of each 1-cost champion, 25 of each 2-cost, 18 of each 3-cost, 10 of each 4-cost and 9 of each 5-cost. All players share the pool.
How much does a roll cost?
Every roll costs 2 gold and shows a new shop of 5 champions. 50 gold buys 25 rolls.
Which level do you roll at for a reroll comp?
1-cost rerolls usually roll at level 5, 2-cost at level 6 and 3-cost at level 7. At those levels the odds for that cost are 45%, 40% and 40%.
Source: Community Dragon (Patch 18.6 game data, checked 2026-11-08)
When to roll at which level: fast 8, reroll and slowroll guide