SG Tips
Free probability tools
Small, free calculators for anyone who reads match prices: convert formats, remove the margin, and turn prediction-market prices into probabilities. Every tool can be embedded on your own site.
Free probability tools
Odds to probability converter
Convert decimal, fractional, American, Hong Kong, Malay and Indonesian odds; margin and fair probability for 2-way and 3-way markets.
Open the tool →Prediction market price to probability
Turn Polymarket and Kalshi prices into probabilities, with normalisation and live match examples.
Open the tool →Live data widgets
Match probabilities and top-pro leaderboards that update on their own.
Open the tool →