Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. Tuna Calculator "How much tuna can you eat safely? ... This site uses the FDA's own scientific guidelines for what constitutes a safe dose of mercury to calculate the maximum amount of tuna you can safely eat each week and not exceed what the FDA considers a safe exposure level." Enter your weight and gender into the calculator to find your weekly consumption figure. Includes links to related material. From the Environmental Working Group (EWG). http://www.ewg.org/tunacalculator Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *