Elo, rank, win rate, and card game calculators. Browse our free strategy & competitive tools below — all calculators are instant, accurate, and require no sign-up.
Card Pack Expected Value Calculator — Calculate the expected value (EV) of opening a card pack. Enter card rarities, pull rates, and market values to find if a pack is worth buying.
Chess Elo Predictor — Predict your future chess Elo rating based on games played and improvement rate. Project your rating over weeks and months of play.
Deck Building Cost Calculator — Estimate the total cost to build a card game deck. Enter card names, quantities, and prices to calculate your full deck budget.
Elo / MMR Calculator — Calculate your new Elo or MMR rating after a match. Enter current rating, opponent rating, and K-factor for precise post-match rating.
Rank Promotion & Demotion Calculator — Calculate games needed to promote or risk of demotion in ranked modes. Enter current LP, win rate, and point amounts to see your outlook.
Win Rate vs Rank Calculator — Calculate games needed to reach a target rank based on your win rate. Enter win rate, point gains, and losses to plan your climb.