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.
Free Strategy & Competitive Calculators
6 toolsElo, rank, win rate, and card game calculators. Browse our free strategy & competitive tools below — no sign-up required.
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.