Flip a fair virtual coin — once or many times.
Random and local to your browser.
How does an online coin flip work?
Each flip independently returns heads or tails with equal 50% probability using the browser's random generator. Every flip is independent, so past results never affect the next one. Over a few tosses the split can be uneven — ten flips might land 6 heads and 4 tails — but over many flips the distribution approaches 50/50. Flip once or many times to see the spread.
Understanding your result
Each flip is independent; past results never affect the next one.
Formula and method
Each flip independently returns heads or tails with equal 50% probability using the browser’s random generator.
Assumptions and limitations
Each flip returns heads or tails at even odds using your browser's random generator, suitable for decisions and demonstrations but not for gambling or anything requiring an audited, certified source of chance. Flips are independent, so a run of one result never makes the other more likely, and nothing is saved once you leave the page.
Worked example
Ten flips might land 6 heads and 4 tails — over many flips the split approaches 50/50.
How to use this tool
- Choose how many flips.
- Press Flip.
- See the result and tally.
Common mistakes to avoid
- Expecting an exact 50/50 split over a small number of flips.
About the Coin Flip
Settle a decision with a fair virtual coin toss. Flip once, or flip many times to see the distribution.
Who should use this tool
For anyone who wants a fast, fair yes-or-no answer: friends settling who goes first, teachers demonstrating probability, people making a light-hearted decision, or anyone curious how a run of tosses distributes. Flip once to decide, or flip many times to watch the heads-and-tails split take shape.
Benefits
- Delivers a fair fifty-fifty result in one tap
- Flip many times to see the distribution emerge
- Each flip is independent of every previous one
- Free, private and works right in your browser
Practical use cases
- Deciding who takes the first turn
- Settling a simple either-or choice fairly
- Demonstrating probability in a lesson
- Running many flips to explore randomness
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Frequently asked questions
Is it truly fair?
Yes. Each side has an equal chance on every flip.
If I get several heads in a row, is tails now due?
No. Every flip is independent and always has an even fifty-fifty chance, regardless of what came before. A streak of heads does not make tails more likely on the next toss. Over a large number of flips the overall split simply drifts closer to even, which is a different thing.
Can I flip more than one coin at a time?
Yes. You can flip many times at once and see the combined outcome, such as the count of heads versus tails across the batch. This is useful for demonstrating how results even out over repeated trials, while a single flip is all you need to settle one decision.