Calculators

This calculator helps determine the appropriate boiler size (BTU/hr) needed for heating a home, based on square footage and insulation quality.

Calculates the estimated number of bricks and mortar needed for a wall, considering wall dimensions and brick size.

Estimates the weight of a rectangular box based on its dimensions and the density of the material.

Calculates the mean free path of a particle, which is the average distance a particle travels between collisions.

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

Estimates calories burned while shoveling snow based on weight and shoveling time.

Calculates the Least Common Multiple (LCM) of two numbers. The LCM is the smallest positive integer that is a multiple of both numbers.

Finds the greatest common factor (GCF) of two numbers.

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.

Calculates appropriate medication dosages for children based on weight or body surface area.