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Mode calculator

Find the mode — the most frequent value(s) in a list of numbers.

Related tools

All Statistics & probability tools →
Mean, median & mode calculatorThe three averages of a data set at once — the mean (arithmetic average), the median (middle value) and the mode (most frequent) — plus the range. When several values tie for most frequent, they are all shown.Coefficient of variation calculatorCompute the coefficient of variation (CV) of a dataset — its relative variability.Correlation coefficient calculatorCompute Pearson's correlation coefficient between two lists of numbers.Expected value calculatorCompute the expected value from a list of outcomes and their probabilities.Geometric mean calculatorCompute the geometric mean of a list of positive numbers.Harmonic mean calculatorCompute the harmonic mean of a list of positive numbers.Interquartile range (IQR) calculatorCompute the first quartile, third quartile and interquartile range of a dataset.Mean absolute deviation (MAD) calculatorCompute the mean absolute deviation of a data set around its mean.

Enter Numbers (comma-separated) and the Mode calculator works out Mode, Frequency straight away. For instance, with Numbers (comma-separated) = 3, 5, 5, 7, 8, 8, 8, 9 it returns Mode = 8 and Frequency = 3.

How to use it

  1. Enter your values: Numbers (comma-separated).
  2. Read the result instantly: Mode, Frequency.

Frequently asked questions

How does the Mode calculator work?

It takes Numbers (comma-separated) and derives Mode and Frequency from them. The calculation is live as you type, so the result updates on every change.

Which values does the calculator ask for?

A single value: Numbers (comma-separated). Nothing else is required — no account, no file upload.

What does a typical calculation look like?

With Numbers (comma-separated) = 3, 5, 5, 7, 8, 8, 8, 9, the calculator returns Mode = 8 and Frequency = 3. Those figures come from running this exact tool, so you can reproduce them by entering the same values.

What does it give for smaller values?

Scaled down to Numbers (comma-separated) = 3, 5, 5, 7, Frequency comes out at 2. The relationship is worth checking at both ends before you rely on a single result.

When would I actually use this?

Summarising a dataset before drawing conclusions from it, checking whether a difference between two groups is real, and putting an interval around an estimate.

What is the most common mistake?

Reading a p-value as the probability that the hypothesis is wrong. It is the probability of seeing data at least this extreme if the null were true — a different statement, and a much weaker one.

What is the difference between the Mode calculator and the Mean, median & mode calculator?

This one returns Frequency; the Mean, median & mode calculator returns Mean and Median. That is the whole difference — open the one whose figure you need.

Is there a tool for the next step?

Coefficient of variation calculator is the closest one after this: Compute the coefficient of variation (CV) of a dataset — its relative variability.

What else is worth having open alongside it?

Correlation coefficient calculator and Expected value calculator — they come up in the same task often enough to be worth a second tab.

Where do the figures come from, and how current are they?

Distributions and test statistics are computed from their standard definitions, not from a lookup table, so results carry more digits than a printed table would. The assumptions each test makes are stated with it.

Further reading

All guides →
ExplainerMean, Median and Mode: What's the Difference?Mean, median and mode all describe the 'middle' of your data — but answer different questions. Here's what each means, with examples and when to use which.ExplainerGeometric vs Arithmetic Mean: Which to UseThe arithmetic mean adds and divides; the geometric mean multiplies and takes a root. Learn which fits growth rates, ratios, and averages.How-toHow to Calculate Standard Deviation (Step by Step)Standard deviation measures how spread out your data is. Here's the formula, a worked example, and the difference between population and sample.ExplainerWhat Is a Percentile? The 90th Percentile ExplainedA percentile tells you where a value ranks within a group. Learn what the 90th percentile really means and why a percentile is not the same as a percentage.How-toHow to Calculate a Weighted AverageA weighted average gives some values more influence than others. Learn the Σ(w·x) / Σw formula with grade and portfolio examples you can follow step by step.How-toHow to Find a Cube Root by HandA step-by-step guide to finding a cube root by estimation and refinement — plus how it differs from a square root and when a value stays irrational.