A fair coin toss, whenever you need one
No coin in your pocket? Tap the button and a coin spins and lands on heads or tails. Each toss is exactly 50/50, decided by your browser's secure random numbers the moment you tap, so nobody can influence it. It is perfect for settling who goes first, choosing between two options, starting a cricket or football match, or teaching probability in class. Flip ten times in one go to see how the results even out, and follow the running count of heads and tails and the longest streak of the same side. Everything runs on your phone or computer.
Updated September 2026
How to flip a coin online
- 1Decide who calls heads and who calls tails before you flip.
- 2Tap Flip the coin and watch it spin.
- 3Read the result under the coin: Heads! or Tails!
- 4Tap again for another toss, or Flip 10 times to run a quick experiment.
Quick ways to use a coin toss
- Settle a tie or a small argument fairly.
- Choose who serves, bats or kicks off first.
- Pick between two restaurants, films or plans when you can't decide.
- Assign two options at random in a classroom activity.
- Decide who gets the front seat, the last slice of cake or the first turn on a game.
- Break a deadlock in a quick team vote when time is short.
A classroom probability experiment
Ask students to guess how many heads they will get in 10 flips, then press Flip 10 times and compare. Do it several rounds and add up the totals on the board: small groups of flips jump around, while the combined total creeps towards half. The longest-streak number is a good talking point too, since most people expect far shorter streaks than randomness really produces.
More than two choices?
A coin only has two sides. For three or more options, put them on Spin the Wheel, or switch this page to Roll dice and give each option a number. The Random Number Generator can also pick any number in a range you choose.
Features
- Exactly 50/50 every time
- Spinning coin animation
- Count of heads and tails with percentages
- Longest streak of the same side
- Flip 10 times at once
- Also rolls dice when you need them
Frequently asked questions
Is an online coin flip really 50/50?
Yes. The result comes from your browser's cryptographic random number source, which has no memory and no favourite side. A real coin is actually slightly less fair, because the side facing up at the start lands a little more often.
If I get tails five times in a row, is heads more likely next?
No. Each flip is independent: the coin doesn't remember past results, so heads is still exactly 50%. Believing otherwise is called the gambler's fallacy. Streaks of five or six happen often in a few dozen flips.
What are the chances of getting heads 3 times in a row?
One in eight (12.5%), because each flip is one in two: ½ × ½ × ½. Five in a row is one in 32, and ten in a row is about one in a thousand.
Can I use this for a cricket or football toss?
Yes, for friendly matches. Let the visiting captain call heads or tails before you tap, and show the screen to both captains. Official matches have their own rules for the toss.
Why don't I get exactly 5 heads out of 10 flips?
Random results only even out over many tries. In 10 flips, getting 6–4 or 7–3 is very normal. Flip 100 or 1,000 times and the percentages get much closer to 50%.
Does it work without internet?
Once the page has loaded, flipping works even if your connection drops, because the random numbers are made on your device.