Estimate your odds to hit key units during a roll down in Teamfight Tactics. Enter your level, target unit tier, copies already out of the pool, and gold budget to get your probability of hitting at least one copy, expected copies, and your chance to complete upgrades.
Built for fast stage planning: evaluate whether you should slow roll, full send, or level first.
A TFT rolldown calculator helps you make one of the most expensive decisions in Teamfight Tactics: when to spend gold refreshing the shop and when to wait. Most players lose value by rolling at the wrong level, rolling too deep for low odds, or underestimating how hard a contested unit is to find. A strong calculator fixes that. Instead of guessing, you can evaluate exact hit chances based on level odds, champion pool size, lobby contesting, and how many copies you still need.
In practice, rolldown decisions decide placements. A well-timed Level 7 or Level 8 roll can stabilize your board and preserve HP, while a bad roll can ruin your economy and leave you with no out. By using this TFT rolldown calculator before committing your gold, you can compare your probability to hit upgrades against the opportunity cost of leveling, streaking, or preserving interest.
A rolldown is a planned sequence of shop refreshes where you spend a specific amount of gold to find upgrades or core units. Typical examples include:
Good players define rolldowns by purpose. Are you trying to survive? Spike for tempo? Cap your board for top 2? The right answer changes how much gold you spend and how much risk you should accept.
The calculator uses three core ideas:
This means your per-slot hit chance depends on both level and pool state. If you are Level 7 targeting a 4-cost, your tier odds are much lower than at Level 8 or 9. If many copies are already taken, your effective chance drops even further. The calculator combines these factors and then computes:
Contesting changes everything. Players often see “good odds on paper” and still miss because the specific unit pool is heavily depleted. If two or three players are sitting on your carry copies, your chance to complete 2-star drops sharply even with high gold. This is why scouting before a rolldown is mandatory: you need to estimate how many copies are already gone.
The calculator includes direct inputs for copies you own and copies held by opponents. This makes your estimate realistic. When your hit chance falls below a practical threshold, your better line might be pivoting, leveling, or using temporary item holders.
One of the biggest strategic questions in TFT is whether to spend gold on immediate shop odds or invest into higher level odds. A basic framework:
Use the calculator for both scenarios. First compute odds at current level. Then increase level and reduce available gold (to account for leveling cost), and compute again. The better line is not always obvious. Sometimes lower gold at better odds outperforms higher gold at weaker odds.
While every game is different, many high-level players use simple probability checkpoints:
These are not strict rules. Lobby pace, HP total, item quality, and augment synergy can make a lower-probability roll correct. But having a numerical baseline prevents emotional over-rolling and helps you preserve long-term consistency.
This process takes less than a minute once you are used to it, and it prevents many “all-in and pray” mistakes.
Eliminating these mistakes improves average placement over many games. TFT rewards disciplined fundamentals, and probability discipline is one of the highest-impact fundamentals you can train.
Every rolldown is a trade between economy and immediate power. Holding gold keeps your future options open, but taking too much damage can remove your ability to play for top placements. A calculator gives you clarity on the likely payoff. If your chance to stabilize is high, spending now can save massive HP and convert into a better finish. If your chance is low, preserving gold for a stronger future timing may be better.
Think in terms of expected outcome, not single-game emotion. Even perfect decisions can miss. The goal is to make high-quality choices repeatedly so your long-term ladder results improve.
The strongest players are flexible. They enter a rolldown with primary and secondary plans. A probability estimate for each plan makes your execution cleaner and faster under time pressure.
It is accurate as a mathematical model but depends on input assumptions. You can adjust units per tier and pool depletion to fit the current set and your lobby state. If Riot changes shop odds or pool sizes, update assumptions accordingly.
Use chance of needed copies for real decisions. Hitting one copy may not stabilize your board. If you need 2-star completion, prioritize probability of hitting all required copies.
It depends on HP and tempo. In stable spots, preserve economy thresholds. In dangerous spots, prioritize board strength and survival. The calculator helps determine whether deeper rolling has enough payoff.
Yes. Set a smaller gold budget for each turn and evaluate repeated low-budget roll windows. This is useful for 1-cost, 2-cost, and 3-cost reroll lines.
Use this TFT rolldown calculator as a decision assistant, not a rigid script. Pair the numbers with scouting, item flexibility, and board-state awareness to make stronger real-time calls.