Calculators

Helps determine the appropriate TV screen size based on viewing distance and resolution.

Calculates the minimum room dimensions needed for a specific size pool table and cue length.

Estimates maximum heart rate based on age. Several formulas exist, providing different estimates.

Estimates calories burned while walking, based on distance, time, and weight.

Calculates the force of static or kinetic friction based on the normal force and coefficient of friction.

Converts a given fraction (e.g., 1/2) into its percentage equivalent (e.g., 50%).

Calculates the percentage of a number, or what percentage one number is of another.

Estimates expected peak expiratory flow rate based on age, height, and gender, used in asthma management.

Compares a child's weight to others of the same age and gender using growth charts.

Calculates the corrected calcium level based on the total serum calcium and albumin levels.