Skip to main content
CalcIntel

Mean, Median, Mode Calculator

Calculate the mean (average), median (middle), and mode (most common) of a data set.

Select or type a comma-separated list of numbers
Standard Deviation
4.6655

The standard deviation of your 6 values is 4.6655 with a mean of 16.17.

Std Dev (sample)4.6655
Variance21.7667
Mean16.1667
Median16.5
Count6
Range10, 22
Data sources: CalcIntel Formula Library

Why This Calculation Matters

The Mean, Median, Mode Calculator gives you a fast, accurate answer for mean, median, mode, useful for homework, coursework, or inside a larger problem. The formula is shown below so you can see exactly what the tool is doing and verify it against a textbook or other reference.

How to Use This Calculator

  • Enter your values in the input fields, each one has a label and help text explaining what to type.
  • Results appear instantly as you type; there's no "calculate" button to press.
  • Change any input to compare scenarios side by side.

All math happens in your browser. Nothing you type is sent to a server, saved, or shared.

Measures of Central Tendency

  • Mean: Sum of all values ÷ count (average)
  • Median: Middle value when sorted (less affected by outliers)
  • Mode: Most frequently occurring value

When to Use Each

  • Mean: Symmetric data, no outliers
  • Median: Skewed data, income data, home prices
  • Mode: Categorical data, finding the most popular choice

When to Use This Calculator

  • Check homework, textbook problems, or coursework answers.
  • Explore how the result changes as you vary inputs, great for intuition building.
  • Verify a calculation inside a larger engineering, research, or data workflow.

Limitations & Common Mistakes

  • Results are only as accurate as the inputs, double-check rounding and units.
  • Numeric precision is limited by JavaScript floating-point arithmetic.

Frequently Asked Questions

What is the formula used by the Mean, Median, Mode Calculator?

The formula and a worked example are shown on this page. Results are computed with standard floating-point arithmetic and are accurate to several decimal places for typical inputs.

Can I use this for homework or standardized tests?

Yes, it's an excellent check-your-work tool. Always show your work and understand the underlying method, not just the final number.

Is this calculator free to use?

Yes. The Mean, Median, Mode Calculator is free, requires no signup, and runs entirely in your browser, your inputs are never sent to a server.

How often is this calculator updated?

Formulas are reviewed against authoritative sources, and any rate or price data is refreshed on an automated schedule. Check the "as of" date on any live data panel for the most recent refresh.

Related Calculators

More Math →

Standard Deviation Calculator

Calculate mean, variance, and standard deviation for a set of numbers.

Area of a Circle Calculator

Calculate the area, circumference, and diameter of a circle from its radius.

Area of a Triangle Calculator

Calculate the area of a triangle using base and height, or three sides (Heron's formula).

Average Calculator

Calculate the average (mean) of a set of numbers. Also shows sum and count.

Circle Circumference Calculator

Calculate the circumference of a circle from radius or diameter.

Cone Volume Calculator

Calculate the volume and surface area of a cone from radius and height.

Key terms