Protein Calculator, it could calculate and find out the daily amount of dietary protein adults require to remain healthy, and ensure your body gets the right amount of protein.

Lucky Spin Wheel, it is a random wheel spinner that could help you to make a random decision. Now, Create your custom spinner for random choice!

Heart Rate Calculator could calculate the maximum heart rate and target heart rate base on your gender and age with several scientific calculation methods.

Daily Diet Calculator can be used to estimate the number of calories a person needs to consume each day.

Efficiently calculate your electricity consumption with this easy-to-use, accurate electricity consumption calculator.

Body Surface Area Calculator

Create random and unique mazes of different shapes and sizes. Maze Generator is an interesting online tool and game that can create random and unique mazes of different shapes, sizes, and styles.

Dog Age Calculator is a free online tool that can help you estimate the age of your dog in human years. Dog Age Calculator can take into account the factors that affect a dog’s lifespan, give you a more realistic approximation of how old your dog is compared to a human.

Cat Age Calculator could help you estimate the age of your cat in human years. Using this Cat Age Calculator can help you understand your cat better and provide it with the appropriate care and attention.

Female Menstrual Cycle Period Calculator. Menstrual Cycle Calculator is an online tool that can help you keep track of your menstrual cycles, predict your next periods, and identify your fertile days. It could help you understand more about your body and health by providing information about the phases of your cycle, the signs of ovulation, and the factors that can affect your cycle.

Predict your child's adult height. Child Height Prediction Calculator is a free online tool that helps parents predict the height of their child based on the height of both parents.

Know your baby's blood type. Do you want to know your unborn baby’s blood type? Child Blood Type Calculator can help you discover it!