How does the AI recognize food?

Our AI uses advanced computer vision trained on millions of food images. It can identify individual ingredients, portion sizes, and even complex dishes from restaurants worldwide.

Absolutely. Your food photos are processed securely and never shared. We use end-to-end encryption and comply with GDPR and CCPA regulations.

How accurate is the calorie tracking?

Our AI achieves 98% accuracy on standard meals, verified by certified nutritionists. For complex or unusual dishes, accuracy is still above 90%.

Can I use it for specific diets?

Yes! Caloria supports keto, vegan, paleo, Mediterranean, and many other dietary patterns. You can set custom macro targets to match any diet plan.

What's included in Premium?

Premium gives you unlimited meal scans, detailed macro tracking, personalized insights, weekly nutrition reports, priority AI processing, and data export capabilities.

Which devices are supported?

Caloria is available on iOS (iPhone and iPad). Android support is coming soon. Your data syncs seamlessly across all your Apple devices.

What is a healthy body fat percentage for men and women?

For men, a healthy (acceptable) body fat range is 18–24%. For women, it is 25–31%. Athletes tend to fall in the 6–13% range for men and 14–20% for women. These ranges shift upward by roughly 1–2 percentage points per decade of age.

What is the most accurate way to measure body fat?

DEXA (dual-energy X-ray absorptiometry) scan is considered the most accurate widely available method, with a margin of error of roughly 1–2% at the population level. Hydrostatic weighing is comparably accurate. Skinfold calipers performed by a trained technician achieve ±3–3.5%. BIA smart scales are the least reliable, often underestimating fat by 5–10 percentage points versus DEXA.

How do I calculate body fat percentage at home for free?

The US Navy Circumference Method requires only a tape measure. For men, measure waist circumference (at the navel) and neck circumference, then apply the formula: 86.010 × log10(waist − neck) − 70.041 × log10(height) + 36.76. For women, add hip circumference to the waist measurement in the formula. All measurements in inches; height in inches.

How is body fat percentage different from BMI?

BMI (Body Mass Index) uses only height and weight — it cannot distinguish fat from muscle or bone. Body fat percentage directly measures how much of your weight is fat tissue. A 2025 study in the Annals of Family Medicine found BMI had no statistically significant association with 15-year mortality, while high body fat (BIA-measured) raised all-cause mortality risk by 78%.

At what body fat percentage do abs become visible?

For men, upper abdominal definition typically appears around 14–15% body fat; a full six-pack is usually visible below 12%. For women, visible ab definition generally requires 16–20% body fat. These are averages — muscle size, training history, and genetics all affect the exact threshold.

How to Calculate Body Fat Percentage: 4 Methods

Learn how to calculate body fat percentage with 4 proven methods — from the free Navy formula to DEXA scan. Includes accuracy ratings and healthy ranges by age and gender.

Frequently Asked Questions

What is a healthy body fat percentage for men and women?: For men, a healthy (acceptable) body fat range is 18–24%. For women, it is 25–31%. Athletes tend to fall in the 6–13% range for men and 14–20% for women. These ranges shift upward by roughly 1–2 percentage points per decade of age.
What is the most accurate way to measure body fat?: DEXA (dual-energy X-ray absorptiometry) scan is considered the most accurate widely available method, with a margin of error of roughly 1–2% at the population level. Hydrostatic weighing is comparably accurate. Skinfold calipers performed by a trained technician achieve ±3–3.5%. BIA smart scales are the least reliable, often underestimating fat by 5–10 percentage points versus DEXA.
How do I calculate body fat percentage at home for free?: The US Navy Circumference Method requires only a tape measure. For men, measure waist circumference (at the navel) and neck circumference, then apply the formula: 86.010 × log10(waist − neck) − 70.041 × log10(height) + 36.76. For women, add hip circumference to the waist measurement in the formula. All measurements in inches; height in inches.
How is body fat percentage different from BMI?: BMI (Body Mass Index) uses only height and weight — it cannot distinguish fat from muscle or bone. Body fat percentage directly measures how much of your weight is fat tissue. A 2025 study in the Annals of Family Medicine found BMI had no statistically significant association with 15-year mortality, while high body fat (BIA-measured) raised all-cause mortality risk by 78%.
At what body fat percentage do abs become visible?: For men, upper abdominal definition typically appears around 14–15% body fat; a full six-pack is usually visible below 12%. For women, visible ab definition generally requires 16–20% body fat. These are averages — muscle size, training history, and genetics all affect the exact threshold.