Calculators

Calculate your Basal Metabolic Rate (BMR) using the Harris-Benedict equation, which estimates the number of calories your body burns at rest.

Calculates Fat-Free Mass Index (FFMI), a measure of muscle mass relative to height, similar to BMI but focusing on muscularity. FFMI is a useful tool for assessing muscular development and potential.

Calculates the future value of savings based on the initial principal, interest rate, and investment period.

Calculates M1 and M2 money supply, providing insights into the liquidity in an economy.

Calculates the day of the year and the number of days remaining in the year for a given date.

Converts between mesh size and microns, commonly used in particle size analysis and sieving.

This calculator converts height from various units (centimeters, feet, meters, etc.) to inches.

Calculates the depth of a countersunk hole based on the screw head diameter and countersink angle.

Estimates the volume of water a pond will hold, the surface area, and the required liner size, based on pond dimensions.

Calculates the quantum yield of a photochemical process, which represents the efficiency of photon usage in initiating a specific reaction. It's the number of times a specific event occurs per photon absorbed.