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blucalculator@protonmail.comTypically replies within 2–3 business days
What we can help with
New calculator requests
Want a tool we don't have yet? Tell us what you need and we'll consider adding it.
Bug reports
Got a wrong result or something broken? Let us know with details and we'll fix it fast.
General feedback
Ideas to make Blucalculator better? We're always listening.
Privacy or security concerns
Have a concern about data or security? Please reach out directly.
Please note: We can't provide personal medical, financial, or legal advice. Our calculators are informational tools only — always consult a qualified professional for important decisions.