BMI Calculator
Type your height and weight. We give you the number, the CDC category, and a paragraph on the things BMI doesn't see.
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Underweight
Normal
Overweight
Obesity
BMI is a screening tool, not a diagnosis. It cannot tell muscle from fat, see visceral adipose tissue, or replace lab work. Use it as one data point.
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Blood-sugar-and-weight dual-use formula. The angle for the 30+ BMI crowd: insulin resistance is often the hidden handbrake on the scale.
Liver-cleanse-meets-fat-burner. The 'why nothing else worked' frame — pitches a sluggish liver as the bottleneck.
Ice-water-trick capsule from the Webseeds team. Highest APV in the cluster, boring premise, viral hook.
Affiliate disclosure: links above are sponsored. We never recommend a product based on commission alone — only on whether the research and ingredient stack actually look honest.
We may earn a commission · We never recommend a product on commission alone
Tasteless powder you stir into morning coffee. Targets the 'I already drink coffee, just give me a routine I won't quit' crowd.
Capsule taken with morning coffee. Same playbook as Java Burn but pill-form. Webseeds vendor — high-converter.
Citrus-bioflavonoid stack pitched at women 40+ who feel stuck despite walking and eating clean. The 'liver detox + metabolism' angle is the lead.
Affiliate disclosure: links above are sponsored. We never recommend a product based on commission alone — only on whether the research and ingredient stack actually look honest.
No supplement push here. The honest move is to keep what's working — protein at every meal, walking, sleep, and basic strength work. If you want a one-page maintenance plan, grab the free PDF below.
Want a one-page plan that fits your BMI band?
The 7-day reset PDF — calorie targets adjusted for the band you're in. Drop your email, we'll send it now.
What BMI is good for — and not
BMI was invented in 1832 by a Belgian astronomer named Adolphe Quetelet. He was studying populations, not patients. The number is fast, free, and reasonably useful as a population-level screening tool. The trouble starts when a single person tries to use it as a verdict.
At the same BMI, two people can have radically different health. A heavily-trained person can land in the "overweight" range with low body fat and great cardiovascular markers. A sedentary person at "normal" BMI can have high visceral fat and elevated fasting glucose. The number does not see what is going on under the skin.
Better numbers to look at
- Waist circumference. Cheap, repeatable, and a stronger predictor of metabolic risk than BMI alone.
- Resting heart rate and blood pressure. Free at any pharmacy or doctor's office.
- Fasting glucose and HbA1c. A standard blood-panel item that catches early metabolic shifts.
- How you feel walking up a hill. Subjective but informative.
FAQ
Is BMI accurate?
BMI is a population-level screening number. It does not measure body fat, muscle, or bone density. A 200-lb linebacker and a 200-lb sedentary person at the same height have the same BMI and very different health profiles.
What's a 'healthy' BMI?
The CDC defines 18.5 to 24.9 as the normal range for adults. Below 18.5 is underweight. 25.0 to 29.9 is overweight. 30 and above is obesity. These cutoffs were never meant to be used as a personal verdict — they were designed for tracking populations.
Should I worry about my BMI?
On its own, no. Pair it with waist circumference, blood pressure, fasting glucose, lipid panel, and how you feel day-to-day. Your doctor cares about all of those — not the BMI number alone.
Related on Real Easy Diet
- Calorie deficit calculator
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Sources
A printable plan that refuses to count almonds.
Four-week schedule. Grocery list. Swap rules. No "fat-burning loophole." No app to download. You print it, you stick it on the fridge, you eat real food.
- 4-week schedule
- Grocery PDF
- Swap rules
- No app, no fees