Calculators

Converts blood glucose measurements between milligrams per deciliter (mg/dL) and millimoles per liter (mmol/L).

Assesses the risk of developing type 2 diabetes based on factors like age, weight, family history, and physical activity.

Estimates the calorie surplus needed to gain a specific amount of weight over time. Based on the general guideline that 3500 calories equals approximately one pound of fat.

Estimates the percentage of body weight that is fat, using the Navy method for men and women, and the YMCA formula for men.

Calculates the number of days between two dates.

Determine the ideal sunglasses size based on your face width.

Converts your ring size to different measurement systems, including US, UK, and diameter in millimeters.

Calculates the cost of charging a Tesla based on battery capacity, charging rate, and electricity cost.

Calculates the amount of water wasted by a dripping faucet over time.

This calculator helps you set goals and track your progress in reducing plastic consumption. It estimates your current plastic usage and helps you plan reductions in different areas of your life.