SpinWheelo → Coin Flip
Coin Flip
Heads or tails? Give the two-sided wheel a spin for a fair, random call — and watch the running tally build over a series of flips.
Quick randomizer
Spin first, read later. The wheel below is ready with Heads and Tails — just press SPIN for a clean 50/50 call. The tally on the right counts your results. Everything runs in your browser.
The coin
Running tally
Counts your flips this session.
Total flips: 0
An online coin flip is a two-sided spinner that returns a random Heads or Tails. With two equal segments, each side has about a 50% chance — exactly like tossing a real coin — and every flip is independent of the last. A running tally keeps score so you can watch the totals even out over time.
Key takeaways
- Two equal sides → a fair ~50/50 Heads vs Tails.
- Every flip is independent — no result is ever "due".
- Running tally tracks Heads, Tails, and total flips.
- For fun & low-stakes calls — not gambling or big decisions.
How the coin flip works
The wheel is split into two equal segments, one for Heads and one for Tails. When you press SPIN, the wheel rotates a random amount with a smooth, slowing animation, then comes to rest. A fixed pointer at the 12 o'clock position marks the winning side. Because the stopping point is chosen at random and the two slices are exactly the same size, each side has an identical chance of landing on top.
Every flip is independent: the random number that decides where the wheel stops doesn't know or care what happened on the previous flip. That's why streaks of the same result are perfectly normal and don't shift the odds of the next flip away from 50/50.
When to use a coin flip
A coin flip is the classic fair tie-breaker whenever a quick, impartial call is all you need:
- Who goes first in a game, match, or turn order.
- Kickoffs and sides for pickup sports.
- Settling a 50/50 debate with no clear winner.
- Breaking a tie when a vote comes out even.
- Making yourself decide on a small, reversible choice.
If you'd rather phrase it as a question, the Yes or No Wheel gives the same 50/50 with Yes/No labels, and the This or That Wheel lets you flip between two custom options.
What a fair coin looks like over many flips
| Number of flips | Expected Heads | Typical range |
|---|---|---|
| 10 | 5 | 3–7 |
| 100 | 50 | ~40–60 |
| 1,000 | 500 | ~470–530 |
The more you flip, the closer the share of Heads tends to get to 50% — but any single short run can swing either way.
Frequently asked questions
How does the online coin flip work?
The wheel has two equal segments — Heads and Tails. When you spin, it rotates a random amount and the pointer at the top lands on one side. With two equal segments each outcome has the same roughly 50% chance, just like flipping a real coin, and every flip is independent of the last.
Is it really a fair 50/50?
Yes. The two segments are exactly equal and the landing position is chosen at random, so over many flips you can expect roughly half Heads and half Tails. Unlike a physical coin, there is no edge wear, spin bias, or weighting to skew it.
What does the tally count?
The running tally tracks how many Heads and how many Tails you have flipped in this session, so you can see the totals add up over a series of flips. It resets when you reload the page or press Reset.
Will short runs of all Heads or all Tails happen?
Yes, and that is normal. Each flip is independent, so streaks of the same result happen by chance and do not mean the coin is "due" to switch. Over a large number of flips the totals trend toward an even split.
Can I use a coin flip for important decisions?
It is built for fun and low-stakes choices — kickoffs, tie-breakers, who goes first, settling a friendly debate. Don't use it for gambling, money, legal, medical, or other high-stakes decisions.
Do I need to install anything or sign up?
No. The coin flip runs entirely in your browser. There is nothing to install, no account to create, and nothing is stored or sent anywhere.
The flip selects a landing position using the browser's built-in random number generator (Math.random). Outcomes are unweighted and independent: each side has an equal chance, and previous flips have no effect on future ones. See Are spinner wheels really random? for how this works.
Last reviewed 2026-06-28