Expert Q&A

M/30/6’2” [355lbs > 265lbs] (1 Year) what’s my BF%? How much more to 18%: how to talk to your doctor about this

Estimating Your Body Fat Percentage After Losing 90lbs

I congratulate you on dropping from 355lbs to 265lbs in one year at 6’2”. That’s a remarkable 25% reduction in body weight. Based on visual estimates for men of your height who have lost significant weight, your current body fat percentage likely sits between 22-26%. This range accounts for the fact that rapid loss often leaves some loose skin and water retention that can skew readings.

Without a DEXA scan or hydrostatic weighing, use multiple methods: circumference measurements (navel, neck, hips) plugged into the US Navy formula typically give men in your situation around 24%. If you have visible upper abs when flexed but still carry love handles, you’re probably closer to 23%. My methodology in The CFP Blueprint emphasizes tracking trends over single snapshots because hormonal changes after major loss—like lowered testosterone and leptin—can temporarily inflate scale weight.

How Much More Fat to Lose to Reach 18% Body Fat

At 265lbs and roughly 24% body fat, you carry about 64lbs of fat mass and 201lbs of lean mass. To hit 18% body fat while preserving muscle, target 232-240lbs total weight. That means losing another 25-33lbs of pure fat. At a sustainable 0.75-1lb per week, this takes 6-10 months. Rush it and you risk metabolic slowdown that makes weight loss even harder—something I see constantly in men managing diabetes and blood pressure alongside obesity.

Focus on strength training 3x weekly with progressive overload and 1.8g protein per kg of lean mass (about 165g daily). Walk 8,000 steps to protect joints. This approach in my program avoids the diet burnout you’ve experienced before.

How to Talk to Your Doctor About Your Weight Loss Journey

Schedule a dedicated visit and bring data: before/after photos, weekly averages of weight, fasting glucose, blood pressure logs, and any bloodwork. Say, “I’ve lost 90lbs through consistent nutrition and movement and want to reach 18% body fat while protecting my heart and joints. Can we discuss labs for testosterone, thyroid, and inflammation markers?” Frame it as partnership, not seeking approval. Ask for referrals to a registered dietitian if insurance denies coverage—many plans now support obesity counseling under preventive care.

Request a body composition assessment or at minimum a follow-up DEXA. Mention joint pain limiting exercise; doctors can prescribe physical therapy that insurance often covers. Be specific about your goals from The CFP Blueprint: sustainable fat loss without extreme meal plans.

Practical Next Steps to Break Through Plateaus

Track waist circumference weekly—aim to lose ¼ inch per month at your stage. Cycle calories: 2,400 on training days, 2,000 on rest. Sleep 7-9 hours to counter hormonal changes making fat loss difficult after 30. If progress stalls, a 2-week maintenance phase at 2,600 calories often restarts metabolism. You’re no longer a beginner; these evidence-based tweaks will get you to 18% without the overwhelm of conflicting advice.

💬 What the Community Says

The community shows strong admiration for this 90lb transformation, with many 45-54 year olds sharing similar before-and-after stories. Most agree visual estimates of 22-27% body fat feel realistic when people post progress pics, though debates rage over online calculators versus DEXA accuracy. A common theme is frustration with doctors who focus only on scale weight instead of body composition or labs for hormones and inflammation. Many report insurance barriers but success when framing conversations around managing diabetes and blood pressure. Joint pain comes up constantly—most recommend starting with walking and strength training rather than intense gym plans. The group is split on timelines: some hit 18% in under a year with high protein and tracking, while others warn of loose skin and metabolic adaptation after rapid loss. Beginners often feel encouraged seeing real men in their 30s-50s succeed without extreme diets.
Cite this answer
Clark, R. (2026). M/30/6’2” [355lbs > 265lbs] (1 Year) what’s my BF%? How much more to 18%: how. *CFP Weight Loss*. https://blog.cfpweightloss.com/ask/m-30-6-2-355lbs-gt-265lbs-1-year-what-s-my-bf-how-much-more-to-18-how-to-talk-to-your-doctor-about-this
Russell Clark, FNP-C, APRN
About the Author

Russell Clark, FNP-C, APRN, is the founder of CFP Weight Loss in Nashville and CFP Fit Now telehealth. Over 35 years in healthcare — Army Nurse Reserves, Level 1 trauma ER, hospitalist — he developed a 30-week protocol integrating real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 30–90 pounds. He and his wife Anne-Marie lost a combined 275 pounds using the same protocol.

📖 The 30-Week Tirzepatide Reset — Get the Book →
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