Calculators

Calculates desired heart rate ranges for exercise intensity based on maximum heart rate.

Estimates the number of calories burned during burpees based on weight and the number of burpees performed.

Converts dosages between different opioid medications based on equianalgesic ratios. This calculator is for informational purposes only and does not constitute medical advice. Always consult with a healthcare professional for dosage adjustments.

Estimates calorie needs and time required to reach a target weight based on BMI.

Estimates recommended daily fat intake based on total calorie goals.

Calculates recommended daily intake of macronutrients (protein, carbs, and fat) based on calorie goals and activity level.

Estimates the percentage of body weight that is fat, using the Navy method for men and women, and the YMCA formula for men.

Estimates a healthy weight range based on height and gender. This calculator uses the Devine formula, which is a simple and widely used method for estimating ideal body weight.

Measures how quickly heart rate returns towards resting after exercise, an indicator of fitness.

Calculates resting heart rate or determines heart rate from pulse counts.