BMR (Basal Metabolic Rate) Calc is a measurement of energy required to keep the body functioning at rest. Or measurement of the number of calories you'd burn at rest. BMR Calc calculates from a person's gender, age, weight and height.
The Harris Benedict Equation is a formula that uses your BMR and then applies an activity factor to determine your total daily energy expenditure (calories). Therefore, apply an activity factor at Result page to know your total daily calories needed.
BMR Calc uses iPhone GUI (Graphical User Interface) to create an intuitive interface and number input easily. It allows input metrics of inches or centimeters for height, and input metrics of pounds or kilograms for weight. It allows mix of metrics eg. centimeters/pounds, inches/kilograms, centimeters/kilograms, or inches/pounds. All information input will be retained for next usage.