Have a question, spotted an error, or want to suggest a new calculator? We'd like to hear from you.
Reach us at hello@fitnesscalculators.idiottools.com for general questions, feedback, or corrections.
If you believe a calculator is producing an incorrect result, please let us know which tool, what inputs you used, and what result you expected. We review every report and update our formulas when a genuine issue is confirmed.
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