Calculators

Estimates the total amount of water in a person's body based on age, weight, gender, and height. This is an approximate calculation and individual results may vary.

Calculates the approximate volume of a pond based on its shape and dimensions. This calculation is an estimate and actual volume may vary.

Calculate the Daily Light Integral (DLI), which measures the total amount of light (in moles of photons) a plant receives over a day.

This calculator assesses if a cat's weight is healthy based on its weight and length.

This calculator recommends the minimum crate dimensions for your dog based on its weight and height.

This calculator determines the concentration of DNA, RNA, or custom oligonucleotides based on absorbance measurements at 260nm.

This calculator converts a Gregorian calendar year to the Thai New Year (Songkran) year, which is based on the Buddhist calendar.

Estimates the maximum flight time for a drone based on battery capacity and power draw.

Calculates the hyperfocal distance, which is the distance at which a lens can be focused to achieve the greatest depth of field.

Calculates the difference between the observed value and the predicted value from a regression model.