Can I use this calculator offline?

Yes. Once the page has loaded, all calculations run locally in your browser, so results work even without an active internet connection.

Do you store or share the values I enter?

No. Your inputs are processed on your device and are not sent to our servers, stored on our side, or shared with third parties.

Does the page explain the formula behind the calculation?

Yes. Every calculator documents the formula it uses, shows the calculation step by step and includes at least one worked example with realistic numbers.

Mutual Information Calculator

Free online mutual information calculator. Enter your values and get instant results with the formula, step-by-step working, a worked example and FAQs — everything runs locally in your browser on Calcton, no signup required.

中文版：互信息计算器

互信息 I(X;Y) 度量两个随机变量共享的信息量：独立时为 0，完全相同时等于自身熵。它是对称的、非负的，且永远不超过各自的熵——相关系数抓线性关系，互信息抓一切依赖。

p(X=1,Y=1)

p(X=1,Y=0)

p(X=0,Y=1)

p(X=0,Y=0)

How to use the Mutual Information Calculator

Fill in the inputs with your own numbers — every field shows what it expects.
The result updates instantly as you type; no "Calculate" click needed.
Read the result card for the main figure, the step-by-step formula, and practical notes.

Frequently asked questions

Is the Mutual Information Calculator free?

Yes — all math calculators on Calcton are free, with no sign-up required. Your inputs are processed in your browser and never sent to a server.

Is there a Chinese version of this tool?

Yes. Use the Chinese version link above — it is the same calculator with the interface in Simplified Chinese.

References

Formulas and benchmarks used by this calculator follow these published sources.

KevinContent LeadCalcton Editorial Team · Last updated 2026-09-13

Kevin maintains Calcton's formula verification and content: every calculator cites the standard it implements, worked examples are recomputed programmatically, and health benchmarks follow WHO and international guidelines.

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About math calculators

Free online math calculators for algebra, statistics, number theory and everyday arithmetic — from quadratic equations and matrices to percentages, fractions and prime factorization, each with step-by-step formulas.