GLOBAL LOTTERY TAX TOOL
Mega-Sena tax calculator
Estimate the prize paid after the rules applied where the ticket was purchased.
ESTIMATE, NOT TAX ADVICE
Mega-Sena take-home prize estimator
Choose a lottery and ticket jurisdiction, then estimate tax withheld at payout.
Applied tax rule30% · Withheld before the published net prize
Estimated take-home amountR$10,000,000
Estimated payout basisR$10,000,000
Tax already reflected in published prize30%
Brazil
Tax is withheld at source and CAIXA publishes/pays the net prize, so do not subtract another 30% from the displayed amount.
This estimates tax at payout, not every final tax consequence. Tax residence, treaties, shared tickets and later investment income can change the result.
Tax is withheld at source and CAIXA publishes/pays the net prize, so do not subtract another 30% from the displayed amount.
This estimates tax at payout, not every final tax consequence. Tax residence, treaties, shared tickets and later investment income can change the result.
Rules reviewed 27 Aug 2026