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Guess the calories
A food appears — guess its calories and see how close you got.
Guess the calories
Turn on JavaScript to play, or use the cheat sheet below to test yourself.
How to play
A food appears. Type your best guess for its calories and check it. The game tells you how close you were and offers another food. There are no points to chase — just play until your guesses tighten up. Without JavaScript, use the cheat sheet below to quiz yourself.
Calorie cheat sheet
Approximate calories for common foods. Values are rounded and vary by brand and portion.
| Food | Calories (approx) |
|---|---|
| Apple, medium | 95 |
| Banana, medium | 105 |
| Boiled egg | 78 |
| Slice of white bread | 75 |
| Plain croissant | 230 |
| Glazed doughnut | 260 |
| Slice of pizza | 285 |
| Cup of cooked white rice | 205 |
| Chicken breast, 100 g | 165 |
| Can of cola, 330 ml | 139 |
| Medium fries | 365 |
| Tablespoon of olive oil | 119 |
| Half an avocado | 160 |
| Plain bagel | 245 |
| Handful of almonds, 28 g | 164 |
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Source: Calorie and nutrition figures are rounded approximations from standard references. · checked 2026-09-04
Frequently asked questions
Is this free?
Yes — no account, no sign-in, nothing stored. It runs entirely in your browser.
How accurate are the numbers?
The calorie values are rounded approximations for everyday portions and vary by brand and preparation.
Track it for real
TempoLife logs meals in seconds and does the calorie maths for you.