Welcome to That Calculator

Our Metres to Feet converter is a handy tool that helps you convert lengths from Metres (m) to feet (ft) or vice versa.

Have you ever struggled with adding up feet and inches or figuring out the area of your room? Well, you're in luck! A Feet and Inches Calculator is here to save the day.

The circumference to diameter calculator is a handy tool for converting circumferences to diameters. All you need is the circumference and our calculator will do the rest.

Our Square Footage calculator is the perfect tool to find out the size or space in a room or house. Have you ever wondered how to figure out the size of a room or a space in your house? This is called calculating the square footage.

The due date calculator (also called a pregnancy calculator) helps answer the question: "When is my baby due?" Our tool estimates the due date for your baby's birth.

An atom's mass comes from the tiny particles called protons, neutrons, and electrons. However, electrons don't add much to the mass because they are 1,836 times lighter than protons.

The grams to ounces converter is a handy tool that allows you to switch between grams and ounces easily. It can convert grams to ounces or ounces to grams, depending on your needs.

Our Liter to Gallon converter is a nifty tool that helps you convert the volume of liquids from liters (l) to gallons (gal) or vice versa.