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Have a question, found a formula error, or want to suggest a new calculator? We read every message and respond within 48 hours.

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Request a Calculator Want a specific health tool? Use the form or visit the Request section on the homepage.
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Report a Formula Error Found something that doesn't add up? Let us know and we'll investigate immediately.
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Partnership or Sponsorship Interested in working with CalcBrew? Tell us about your proposal.
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General Questions Anything else — we're happy to hear from you.

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