What if there's no repeated number for the mode?

The tool shows 'None' when every value appears exactly once, since there's no most-frequent value in that case.

Does the order I enter numbers matter?

No — every statistic calculated is order-independent, so entering the same numbers in any order gives identical results.

Can I paste numbers directly from a spreadsheet?

Yes — numbers separated by line breaks (typical when copying a spreadsheet column) parse the same way as commas or spaces.

What if my data has just one number?

Mean, min, and max all equal that single value, median equals it too, and standard deviation is zero since there's no spread to measure.

Why can there be more than one mode?

If two or more values are tied for the highest frequency, the data set is genuinely multimodal — the tool reports all of them rather than arbitrarily picking one.

How is range different from standard deviation?

Range is just the gap between your highest and lowest value — simple, but sensitive to a single outlier. Standard deviation accounts for how every value spreads around the mean, giving a fuller picture of variability.

Does this handle negative numbers?

Yes — every statistic works correctly with a mix of positive and negative values, since mean, median, mode, range, and standard deviation are all well-defined regardless of sign.

Can I use decimal numbers, not just whole numbers?

Yes — decimals are parsed and calculated with full precision, useful for data like measurements or prices rather than just counts.

Statistics Calculator

About the Statistics Calculator

Calculates mean, median, mode, range, and both population and sample standard deviation from a list of numbers you paste or type in.

100% Free Runs in Your Browser No Sign-Up Required

How to use it

Paste or type your Numbers, separated by commas, spaces, or line breaks.
Read the full set of statistics and histogram below.

Formula

Mean = Σx ÷ n
Median = middle value (or average of two middle values)
Std deviation = √(Σ(x−mean)² ÷ n) for population, ÷ (n−1) for sample

Worked example

The numbers 12, 45, 23, 8, 45 have a mean of 26.6, a median of 23, and a mode of 45.

Recommendations

• Use sample standard deviation when your numbers are a sample of a larger population; use population when your list is the entire group you care about.
• The histogram shows the shape of your data's distribution at a glance — useful for spotting skew or outliers.
• Numbers can be separated by commas, spaces, or line breaks — all parsed the same way.

Frequently asked questions

Population treats your data as the complete set of interest; sample (dividing by n−1 instead of n) corrects for a sample tending to underestimate the true spread of a larger population.

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