Weighted Average Calculator
Give each value its own nonnegative weight.
Results and explanation
Enter your inputs to get started.
Numbers are processed locally. Results use floating-point arithmetic and up to 10 significant digits. List fields accept commas, spaces or line breaks.
How to use this calculator
Multiply each value by its nonnegative weight, add the products, and divide by the total weight.
Worked example
Values 80 and 100 with weights 1 and 3 give (80 + 300) ÷ 4 = 95.
Check the units and assumptions before using your result. Explore related calculators or read our statistics guides.