Calculators

Calculates the required lumber size for a door header based on the door opening width and the load supported.

Calculates the travel and run values for pipe rolling offsets, crucial for accurately positioning pipes in construction and plumbing.

Calculates the average atomic mass of an element based on the masses and natural abundances of its isotopes.

Calculates Grade Point Average (GPA) based on letter grades and credit hours.

Calculates the crosswind, headwind, and tailwind components based on wind speed and direction, and the aircraft's or vehicle's heading.

Calculates the volume of stock solution needed to create a diluted solution of a desired concentration and volume using the formula C1V1 = C2V2.

Calculates the Sequential Organ Failure Assessment (SOFA) score, which assesses the severity of organ dysfunction in critically ill patients.

Estimates the 10-year risk of developing coronary heart disease (CHD) based on age, gender, cholesterol levels, blood pressure, and smoking status. This calculator is based on the Framingham Heart Study.

Calculates the estimated Total Dissolved Solids (TDS) in water based on Electrical Conductivity (EC). TDS represents the total concentration of dissolved substances in water, typically expressed in parts per million (ppm) or milligrams per liter (mg/L).

Displays the notes belonging to various musical scales (major, minor, modes, etc.).