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Calculators

Create and discover interactive calculators for various scenarios and measurements.

Mole Calculator

Chemistry

Converts between moles, mass, and molecular weight.

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Pool Table Room Size Calculator

Everyday life

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

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MET Minutes Calculator

Health

Calculates total activity volume based on the Metabolic Equivalent of Task (MET) value of activities and duration.

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Average Calculator

Math

Calculates the arithmetic mean (average) of a set of numbers.

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Adding and Subtracting Fractions Calculator

Math

Performs addition or subtraction on two fractions, displaying the result as a simplified fraction.

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Percent Error Calculator

Physics

Calculates the difference between an observed value and a true value as a percentage of the true value.

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FEV1/FVC Ratio Calculator

Health

Calculates the ratio of forced expiratory volume in 1 second (FEV1) to forced vital capacity (FVC) from spirometry, aiding lung disease diagnosis.

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Pregnancy Weight Gain Calculator

Health

Calculates the recommended weight gain during pregnancy based on pre-pregnancy Body Mass Index (BMI).

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Due Date Calculator

Health

Estimates the baby's expected delivery date based on the last menstrual period (LMP) or conception date.

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Waist to Height Ratio Calculator

Health

Calculates the ratio of waist circumference to height, assessing central obesity risk.

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