Ideal Weight Calculator
Calculate your healthy weight range based on height, gender, and body frame. Find your optimal weight for better health.
Ideal Weight Calculator
Estimate a healthy weight range based on your height.
How to use this result (general guidance)
If you are in the estimated healthy weight range
- Maintain balanced nutrition
- Stay physically active
- Monitor weight periodically
If you are far below the ideal range
- Increase calorie intake using nutritious foods
- Include strength training to support muscle gain
- Avoid skipping meals
If you are slightly below the ideal range
- Add small calorie increases gradually
- Focus on protein-rich meals
- Maintain consistent eating patterns
If you are slightly above the ideal range
- Increase daily movement and light activity
- Reduce portion sizes slowly
- Limit sugary and processed foods
If you are far above the ideal range
- Focus on sustainable long-term weight management
- Choose low-impact, consistent exercise
- Avoid crash dieting and extreme restriction
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Heart & Fitness
Ideal Weight Calculator: Find Your Healthy Weight Range & How to Get There
What is "Ideal Weight" and Does It Really Matter?
Ideal weight isn't one magic number - it's a healthy range where your weight is associated with the lowest health risks. Think of it as a target zone, not a bullseye. Our calculator gives you this range using four different medical formulas, so you can see where you fall and set realistic goals.
Here's the truth: Two people with the same height can have different "ideal" weights based on their frame size, muscle mass, and body composition. That's why we give you a range, not a single number.
Why Ideal Weight Matters
- Lower disease risk: Heart disease, diabetes, and certain cancers
- Better energy: Less strain on your body during daily activities
- Joint health: Less pressure on knees, hips, and back
- Longer life: Studies show people in healthy weight ranges live longer
Why It's Not Everything
- ⚠️Muscle weighs more: Athletes may be "overweight" but very healthy
- ⚠️Body composition matters: Two people at same weight can have different health
- ⚠️Health habits > number: What you eat and how you move matters more
Bottom line: Your ideal weight is a helpful guide, not a judgment. Use it as one tool in your health toolbox, alongside how you feel, your energy levels, and your lab work.
The 4 Formulas Our Calculator Uses
Different doctors and researchers came up with different ways to calculate ideal weight. We show you all four so you can see the range and pick what feels right for you:
G.J. Hamwi Formula (1964)
The classic "106 for 5 feet" rule
Men: 106 lbs for 5 feet + 6 lbs per inch
Women: 100 lbs for 5 feet + 5 lbs per inch
Simple and easy to remember. Tends to give lower numbers for taller people.
Devine Formula (1974)
The most commonly used in medicine
Men: 110 lbs for 5 feet + 5 lbs per inch
Women: 100 lbs for 5 feet + 5 lbs per inch
Originally developed for drug dosing. Often gives slightly higher numbers for shorter people.
Robinson Formula (1983)
A more conservative estimate
Men: 114 lbs for 5 feet + 5 lbs per inch
Women: 108 lbs for 5 feet + 5 lbs per inch
Similar to Devine but slightly higher. Often preferred for taller individuals.
Miller Formula (1983)
The most generous estimate
Men: 128 lbs for 5 feet + 6 lbs per inch
Women: 117 lbs for 5 feet + 5 lbs per inch
Gives the highest numbers, especially for men. Based on more recent population data.
Which one is right? All of them! That's why we show you the range. Your "ideal" weight likely falls somewhere between the lowest and highest estimates. Focus on the range, not a single number.
Quick Reference: Ideal Weight by Height
Here's what the four formulas together say for common heights. Remember - these are ranges, not rules:
| Height | Men (range in lbs) | Women (range in lbs) | Healthy BMI Range |
|---|---|---|---|
| 5'0" (152 cm) | 106 - 128 lbs | 97 - 117 lbs | 97 - 127 lbs |
| 5'2" (157 cm) | 118 - 140 lbs | 107 - 127 lbs | 104 - 135 lbs |
| 5'4" (163 cm) | 130 - 152 lbs | 117 - 137 lbs | 110 - 145 lbs |
| 5'6" (168 cm) | 142 - 164 lbs | 127 - 147 lbs | 118 - 154 lbs |
| 5'8" (173 cm) | 154 - 176 lbs | 137 - 157 lbs | 125 - 164 lbs |
| 5'10" (178 cm) | 166 - 188 lbs | 147 - 167 lbs | 132 - 174 lbs |
| 6'0" (183 cm) | 178 - 200 lbs | 157 - 177 lbs | 140 - 183 lbs |
| 6'2" (188 cm) | 190 - 212 lbs | 167 - 187 lbs | 148 - 194 lbs |
Frame size matters: These ranges assume a medium frame. If you have a small frame, aim for the lower end. Large frame? The higher end might be more realistic for you. Measure your wrist to estimate frame size.
Men vs. Women: Why the Numbers Differ
For Men
- Higher muscle mass: Men typically have 10-15% more muscle, so ideal weight runs higher
- Larger frame: Broader shoulders, denser bones add weight
- Higher metabolism: Men burn 5-10% more calories at rest
- Example 5'10" man:Ideal range: 166 - 188 lbs
For Women
- Higher essential fat: Women need 10-13% body fat vs 2-5% for men
- Smaller frame: Narrower shoulders, lighter bone structure
- Hormonal factors: Weight fluctuates with menstrual cycle
- Example 5'5" woman:Ideal range: 122 - 142 lbs
The 100/106 rule of thumb: For women, start with 100 lbs for 5 feet, then add 5 lbs per inch. For men, start with 106 lbs for 5 feet, then add 6 lbs per inch. It's not perfect, but it's a quick mental check!
How Age Affects Your Ideal Weight
Most ideal weight formulas were developed for adults under 60. Here's what changes as you age:
20s-30s
Metabolism at its peak. Formulas work well. Focus on building healthy habits and muscle mass.
40s-50s
Metabolism slows 2-3% per decade. You may naturally gain 5-10 lbs even with same habits. Slightly higher weight may be OK.
60+
"Obesity paradox" applies - slightly higher weight (BMI 23-27) can be protective against frailty and falls.
Age adjustment: Many experts add 5-10 lbs to ideal weight for people over 50. If you're 60+ and at the upper end of your range, that's probably healthy. Don't chase your college weight!
Frame Size: The Missing Piece
Your body frame size affects how much you should weigh. A person with a large frame can weigh 10-15 lbs more than someone with a small frame at the same height and still be healthy.
Small Frame
Aim for the lower end of your ideal range
Wrist size: Men < 6.5", Women < 6"
Medium Frame
Aim for the middle of your range
Wrist size: Men 6.5-7.5", Women 6-6.5"
Large Frame
Aim for the upper end of your range
Wrist size: Men > 7.5", Women > 6.5"
How to check your frame size: Wrap your thumb and middle finger around your wrist. If they overlap, you're small frame. If they just touch, medium. If they don't touch, large frame.
Health Risks: When Weight Matters Most
Below Ideal Range (Underweight)
- Weakened immune system - harder to fight infections
- Osteoporosis - higher fracture risk
- Fertility issues in both men and women
- Hair loss, brittle nails, poor skin health
- Surgical complications - slower healing
Above Ideal Range (Overweight)
- Type 2 diabetes - 3-7x higher risk
- High blood pressure - strain on heart
- Heart disease - leading cause of death
- Joint problems - especially knees and hips
- Sleep apnea - interrupted breathing at night
Sweet spot: Staying within your ideal range reduces your risk of these conditions by 40-60% compared to being significantly above or below.
How to Reach and Maintain Your Ideal Weight
If You Need to Lose Weight
300-500 calories less per day = 0.5-1 lb per week. This is sustainable.
1.6-2.2g per kg body weight. Preserves muscle while losing fat.
Prevents muscle loss. Without it, 25% of weight lost is muscle.
Aim for 8,000-10,000 steps daily. NEAT makes a huge difference.
If You Need to Gain Weight
200-300 extra calories daily for lean gain, not just fat.
3-4x/week with progressive overload. Compound lifts work best.
5-6 smaller meals can be easier than 3 large ones.
1.6-2.2g per kg body weight to build quality mass.
Sleep matters for both: 7-9 hours nightly. Poor sleep increases hunger hormones and makes weight management harder whether you're trying to lose or gain.
How to Track Progress Toward Your Ideal Weight
Best Practices
- Weigh yourself weekly, not daily - reduces anxiety
- Same time, same scale, same conditions (morning, after bathroom)
- Look at trends over 4 weeks, not day-to-day fluctuations
- Re-evaluate every 10-15 lbs lost or gained
Also Track These
- 📸Progress photos monthly - shows changes the scale misses
- 👖How clothes fit - waistbands don't lie
- 💪Strength gains in the gym
- ⚡Energy levels throughout the day
Pro Tip: Our calculator saves your results. Use the comparison feature to see your progress over time. Small, consistent changes (1-2 lbs per week) add up!
Frequently Asked Questions About Ideal Weight
Q:Which formula is most accurate?
A:There's no single "most accurate" formula - that's why we show all four! The Devine formula is most common in medical settings. The Miller formula tends to give higher numbers. The best approach is to look at the range and see where you fall. If you're anywhere in that range, you're in the ballpark of healthy.
Q:What's more important: ideal weight or body fat percentage?
A:Body fat percentage is actually more accurate because it tells you what you're made of. You could be at your "ideal weight" but have low muscle and high fat ("skinny fat"). Or you could be 10 lbs over your ideal weight but have lots of muscle and be very healthy. Use ideal weight as a starting point, but body fat percentage gives you the full picture.
Q:Should I aim for the low end or high end of my range?
A:It depends on your frame size and body type. Small frame? Aim for the lower third. Large frame? The upper third might be more realistic. Also consider your goals - athletes often want to be leaner, while older adults might want to be toward the higher end for health reserves. Most importantly, pick a weight you can maintain without extreme dieting.
Q:Can I trust the BMI chart instead?
A:BMI is a decent screening tool, but it has the same limitation - it doesn't know if your weight is muscle or fat. Our BMI calculator is a good companion tool. Use both together: BMI for a quick check, ideal weight formulas for a target range, and body fat percentage for the most accurate health picture.
Q:How long does it take to reach my ideal weight?
A:Safe, sustainable rate is 0.5-1 lb per week if losing, 0.25-0.5 lb per week if gaining. So if you need to lose 20 lbs, give yourself 5-6 months. If you need to gain 10 lbs of muscle, that might take 4-5 months. Quick fixes don't last - slow and steady wins the race.
Q:Does my ideal weight change after pregnancy?
A:Yes, it's normal to retain 5-10 lbs after pregnancy. Your body composition changes, and many women find their "new normal" is slightly higher than pre-pregnancy. Give yourself at least 6-12 months postpartum before trying to reach your pre-pregnancy weight. Breastfeeding burns extra calories but also requires adequate nutrition. Be kind to yourself - your body did something amazing!
Q:I'm an athlete - why am I "overweight" by these formulas?
A:Because muscle weighs more than fat! These formulas were designed for general population, not athletes. If you have significant muscle mass, you'll naturally weigh more. In your case, body fat percentage and waist measurement are much better metrics. A 200 lb bodybuilder with 10% body fat is much healthier than a 200 lb sedentary person with 30% fat, even though they weigh the same.
Q:How often should I recalculate my ideal weight?
A:Every 6-12 months is plenty, or after significant body changes (gaining/losing 10+ lbs, starting a serious training program, after pregnancy, or when you enter a new age decade). Your ideal weight doesn't change day-to-day - it's a target range, not a moving goalpost.
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Find Your Healthy Weight Range
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