Mean Calculator
Calculate the arithmetic mean (average) of any dataset. Input numbers manually or paste data directly for instant statistical analysis.
Paste Data
Manual Entry
Enter Your Data
Manual Number Entry
0.00
Arithmetic Mean
0
Data Points
0.00
Sum
0.00
Range
Mean
How to Use the Mean Calculator
The arithmetic mean, commonly known as the average, is the most fundamental measure of central tendency in statistics. Our mean calculator provides two convenient input methods: you can either paste data directly from spreadsheets or other sources, or manually enter numbers one by one. The calculator automatically processes your data, removing any invalid entries, and provides comprehensive results including the mean value, total count of data points, sum of all values, and the range (difference between maximum and minimum values).
Mean Formula:
Mean = (Sum of all values) ÷ (Number of values)
μ = (Σx) ÷ n
Mean = (Sum of all values) ÷ (Number of values)
μ = (Σx) ÷ n
📊 Example Calculation:
Dataset: Test scores of 10 students
Values: 85, 92, 78, 96, 88, 74, 91, 83, 87, 94
Step 1: Sum = 85 + 92 + 78 + 96 + 88 + 74 + 91 + 83 + 87 + 94 = 868
Step 2: Count = 10 students
Step 3: Mean = 868 ÷ 10 = 86.8
Interpretation: The average test score is 86.8 points
Understanding the mean is crucial for data analysis, research, and decision-making across various fields including education, business, science, and economics. The mean provides a single representative value that summarizes an entire dataset, making it easier to compare different groups or track changes over time. Our calculator also displays a visual representation of your data, showing how individual values relate to the calculated mean, and generates a simple histogram to help you understand the distribution of your data points.