Calculators

Estimates the percentage of alcohol in the bloodstream based on drinks consumed, weight, gender, and time.

Predicts the fertile window and ovulation day based on menstrual cycle length.

Calculates the corrected QT interval (QTc) on an ECG, adjusting for heart rate, to assess the risk of arrhythmias.

Calculate your potential savings on back-to-school shopping by comparing prices and discounts.

Calculates the required fuel pump flow rate based on engine horsepower and other factors.

Estimates potential minor calorie expenditure during a sauna session (primarily water loss).

Compares a child's height to others of the same age and gender using growth charts.

Calculates the infusion rate for intravenous fluids in mL/hour or drops/minute.

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.

Estimates recommended daily water consumption based on factors like weight and activity level.