4 pints is equal to 2 quarts. This is because there are 2 pints in a quart. So, when you have 4 pints, you can divide that number by 2 to find out how many quarts it is. The calculation is simple: 4 pints ÷ 2 = 2 quarts. This conversion is useful in cooking, baking, and other activities where liquid measurements are important.