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BMI Calculator
Calculate body mass index from metric or US height and weight inputs
Browser-local processing The primary workflow runs in this browser tab.
No upload required Use supported files without sending them to a server.
Free workflow path Continue with related tools before any optional commercial links.
Need batch or pro workflows?
Tell us which workflow would save the most time. We use this signal before building any paid feature.
Short answer
Use FreeTools BMI Calculator to calculate body mass index from metric or us height and weight inputs directly in your browser with local processing, no signup, and a clean task-focused workflow.
Read the BMI Calculator guide