FreightVerdict

Is there a weight or BMI limit for a DOT physical? (No.)

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Federal source: 49 CFR 391.41 (contains no weight or BMI standard) · Rules checked October 2026

What the federal text says

There is no federal weight limit and no BMI limit for medical certification. Nothing in 49 CFR 391.41 sets one. BMI appears in the medical world of this exam in exactly one place: as an input to sleep-apnea screening judgment (including the never-adopted MRB/MCSAC referral criteria), and indirectly through conditions that travel with weight — blood pressure, diabetes, joint function — each of which is judged under its own standard.

What that means for you

You cannot fail a DOT physical for a number on a scale. Anyone who tells you a BMI cutoff disqualifies you is inventing a rule — ask them for the citation; there isn't one. What your weight can do is trigger an apnea conversation, which is a different page.

What moves the outcome

If apnea screening is your worry, the sleep-apnea page and the referral-risk checker are the honest tools. Otherwise, judge yourself against the standards that exist — blood pressure, blood sugar, vision, hearing — not against a scale.

Which mode is this?

This question is NOT decided by federal text — the text leaves it to the examiner's judgment. Any site that prints you a pass or a fail here is inventing law. What moves this outcome is documentation, and that is what this page gives you.

Only a certified medical examiner on the National Registry can certify you. FreightVerdict reads the published federal standards — it does not certify, diagnose, or treat, and nothing here is medical advice.

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