Find your daily protein target and see how far your current intake is from it.

Estimate daily calories, protein, carbs, and fat for cutting, maintaining, or gaining.

Set a low carb ceiling and calculate protein, fat, and total calories for a keto style plan.

Estimate fat free mass index, normalized FFMI, and rough muscle potential.

Use the U.S. Navy circumference equations to estimate body fat from a tape measure.

Check the current 2026 Army waist to height standard with the official cutoff.

Calculate waist to hip ratio and compare it with population risk bands for men and women.

Estimate calories for common training, sports, and daily activities with published MET values.

Calculate treadmill calories with speed, grade, body weight, and the ACSM walking or running equation.

Turn a step count into distance, walking time, and calories using your height and weight.

Estimate walking calories from distance or time, pace, weight, and optional incline.

Compare Devine, Robinson, Miller, Hamwi, and the healthy BMI range side by side.

See pounds lost, percentage lost, and progress toward the five and ten percent marks.

Turn a daily calorie deficit into a best case calendar date and weekly loss rate.

Estimate daily fluid from weight, exercise time, climate, and current intake.

Calculate a loading dose, four daily loading portions, and a practical maintenance dose.

Estimate base fluid and add a modest practical adjustment for loading or maintenance.

Find bedtimes or wake times from average sleep cycles and a 15 minute sleep onset estimate.

Add up two weeks of short nights and estimate a gradual repayment plan.

Estimate VO2 peak with the published HUNT model and compare it with measured age norms.