Poker Open Raise Calculator
Calculate opening-raise multiples and pot geometry from the blind structure, antes, limpers and your chosen open size. Use it as a preflop sizing reference rather than a strategic recommendation.
OPEN / BB3.00×
POT BEFORE OPEN2.50
OPEN / POT1.20×
Open / BB = opening size ÷ big blind. Pot before open includes the small blind, big blind, configured ante/dead money and one big blind for each limper.
OPEN / POT120.0%
POT AFTER OPEN5.50
LIMPER COUNT1
Additional chips above one big blind are shown for reference. The calculator does not account for player positions, stack depth, range construction, rake or a specific poker-room rule set.
FORCED MONEY1.50
LIMP MONEY1.00
OPEN SIZE3.00