RiftOdds

LoL betting tools & calculators

Free calculators to make informed decisions on League of Legends markets. Convert odds, size your stake, strip the vig, turn a game edge into a series edge, and run any two teams through our rating model. Everything runs live in your browser. 18+, not financial advice.

Match predictor

Our Elo model's win probability for any two rated teams, and the edge against a price you enter.

42%T1 model
58%Gen.G model
-8Edge on A

Kelly stake sizer

How much to stake from your bankroll given the price and your win estimate. Quarter-Kelly is the sane default.

23%Full Kelly
$28.85¼-Kelly stake
+12Edge

No edge means no bet. Capping at quarter-Kelly keeps variance survivable on a single match.

Series win calculator

A single-game edge gets amplified over a series. Turn a per-game chance into a series win and likely scoreline.

65%Series win
36%2-0
29%2-1

Odds converter

Decimal, American, implied probability, and the Polymarket price are the same number in different clothes.

2.00Decimal
+100American
50%Probability
$0.50Polymarket

No-vig fair odds

Strip the bookmaker's margin to see the fair probability behind a two-way price.

54%Fair, side A
46%Fair, side B
3.2%Bookmaker margin

Betting sites to compare

ThunderpickEsports-focused sportsbook to compare after you have checked the model, market price, and stake size.BC.GameCrypto sportsbook option for users who want to compare esports lines and promotions.StakeCrypto betting site to compare against the prices and probabilities shown on RiftOdds.EsportsBetEsports betting landing page for checking another market before placing a wager.VaveSportsbook option to compare after using the RiftOdds tools and checking market value.

The match predictor uses our Elo model (412 rated teams). All tools are estimators, not guarantees, and a single match is high variance. Bet only what you can afford to lose.