Calculators
Create and discover interactive calculators for various scenarios and measurements.
Mole Calculator
Converts between moles, mass, and molecular weight.
Pool Table Room Size Calculator
Calculates the minimum room dimensions needed for a specific size pool table and cue length.
MET Minutes Calculator
Calculates total activity volume based on the Metabolic Equivalent of Task (MET) value of activities and duration.
Average Calculator
Calculates the arithmetic mean (average) of a set of numbers.
Adding and Subtracting Fractions Calculator
Performs addition or subtraction on two fractions, displaying the result as a simplified fraction.
Percent Error Calculator
Calculates the difference between an observed value and a true value as a percentage of the true value.
FEV1/FVC Ratio Calculator
Calculates the ratio of forced expiratory volume in 1 second (FEV1) to forced vital capacity (FVC) from spirometry, aiding lung disease diagnosis.
Pregnancy Weight Gain Calculator
Calculates the recommended weight gain during pregnancy based on pre-pregnancy Body Mass Index (BMI).
Due Date Calculator
Estimates the baby's expected delivery date based on the last menstrual period (LMP) or conception date.
Waist to Height Ratio Calculator
Calculates the ratio of waist circumference to height, assessing central obesity risk.