Calculators

Calculates the angle of depression, which is the angle formed by a horizontal line and the line of sight to an object below the horizontal line.

Calculates the volumetric flow rate in liters per minute, given the flow volume and time.

Calculates the pH of a buffer solution using the Henderson-Hasselbalch equation.

Calculates Metabolic Equivalents (METs) achieved during a Bruce Protocol treadmill stress test.

This calculator converts between different units of energy, including joules, microjoules, millijoules, kilojoules, and megajoules.

Calculates the number of concrete blocks and estimated costs for building a wall, based on dimensions and block size.

Calculates acceleration based on change in velocity and time, or using force and mass (F=ma).

Calculates the local sidereal time (LST) based on Greenwich Mean Sidereal Time (GMST) and the observer's longitude.

Converts a given number to its equivalent in millions.

Estimates LDL ('bad') cholesterol level using the Friedewald equation. This calculator requires total cholesterol, HDL cholesterol, and triglyceride levels. It's important to consult with a healthcare professional for accurate diagnosis and treatment.