Bingo caller: random bingo numbers for your game night
Running bingo at school, at a family party or at the community center? This online bingo caller draws the numbers for you, shows them big on the screen and keeps track of every call. It works for 75-ball bingo, the kind usually played in the US, and for 90-ball bingo, the UK style. It is free, with no account and no app to install, and it works on a phone, tablet or computer, or on a TV in full screen.
The caller does the calling only. It does not make bingo cards: players use their own printed cards.
How to call bingo numbers
- Choose the game. Tap “75-ball bingo” in the sentence to switch to 90-ball. In 75-ball bingo, each number comes with its letter: B for 1 to 15, I for 16 to 30, N for 31 to 45, G for 46 to 60 and O for 61 to 75. 90-ball bingo uses the numbers 1 to 90, with no letters.
- Call by hand. Press Call next, tap the big ball or hit the Space bar. The new number appears on the ball.
- Or call automatically. Choose a call every 5 or 10 seconds, press Start calling, and press Pause whenever you need a break. The screen stays awake while it calls, where the browser allows it.
- Read aloud. Turn on Read aloud in the bottom bar and your browser’s voice announces each call, like “B, 7”.
- The board. Every called number lights up on a board of all the numbers. On a phone, the Board button opens it full screen.
- Last calls and counter. A row shows the last few calls, and a counter tells you how many are out, for example “12 of 75 called”.
- Undo and New game. Undo takes back the last call if you tapped by mistake. New game clears the board for the next round.
The game in progress is saved in your browser, so reloading the page doesn’t lose the called numbers. The Sound button in the bottom bar turns the sound effects off.
How to run a bingo night with this caller
- Get the cards. Buy printed bingo cards or print your own, one or more per player, and something to mark them with: daubers, pens, buttons or dried beans.
- Agree on the win. In 75-ball bingo, say what counts before you start: a line across, down or corner to corner, the four corners, or the whole card (a blackout). In 90-ball bingo, the usual wins are one line, two lines, then a full house.
- Set up the screen. Connect a laptop to a TV or projector and press the full screen button in the header, so everyone can see the ball and the board.
- Choose a pace. A call every 10 seconds suits kids and relaxed groups. Every 5 seconds keeps experienced players busy. Or call by hand and chat between numbers.
- Check the winner. When someone shouts “Bingo!”, press Pause, then read their numbers back and check them against the board.
- Play again. Hand out the prize, press New game and start the next round.
Need to give away a door prize too? Use the raffle generator. To choose who calls the next game, spin the wheel of names.
75-ball vs 90-ball bingo
| Feature | 75-ball | 90-ball |
|---|---|---|
| Numbers | 1 to 75 | 1 to 90 |
| Letters | B, I, N, G, O | None |
| Card | 5 by 5 grid with a free space in the middle | Ticket of 3 rows and 9 columns, with 15 numbers |
| Usual wins | Patterns: a line, four corners, blackout | One line, two lines, full house |
| Where it’s common | United States | United Kingdom |
On a 75-ball card, the N column has only four numbers, because the free space takes the middle square. On a 90-ball ticket, each row has five numbers and four blank squares.
Is the calling fair?
Each call uses your browser’s cryptographic random generator, the same kind of source used for security. Every number that hasn’t come out yet has the same chance of being next, and no number is called twice in a game. With 75 balls, each number has a 1 in 75 chance of being the first call. Once 30 numbers are out, each of the 45 left has a 1 in 45 chance on the next call. The letters are balanced too: every letter has 15 numbers, so the first call is a B one time in five.
For a single random number outside a game, the random number generator is quicker.
A short history of bingo
Bingo is usually traced back to an Italian lottery called lotto, played around 1530. Home versions with cards, like the Italian tombola, came later. In the United States, a carnival game called “Beano” was played in the 1920s, with dried beans as markers. In 1929, toy salesman Edwin S. Lowe saw it near Atlanta, and he is credited with making it popular as bingo. Where the word “bingo” comes from is not clear. In the UK, callers have a tradition of nicknames for numbers, like “legs eleven” for 11 and “two fat ladies” for 88. This caller keeps it simple and just says the number.