Source-backed comparison
Monster vs coffee: caffeine comparison
Compare a UK 500 ml Monster Original Green can with a representative cup of brewed coffee and see calculated caffeine remaining over time.
| Measure | Monster Energy Original Green | Brewed coffee |
|---|---|---|
| Named serving | 500 ml can | 8 fl oz / 237 ml |
| Market | UK | General reference |
| Caffeine per serving | 160 mg | 95 mg |
| Caffeine per 100 ml | 32.0 mg | 40.1 mg |
| Value basis | Manufacturer listed | Authoritative reference |
| Estimated after 5 hours | 80 mg | 47.5 mg |
How to interpret the comparison
- The named UK Monster can contains 160 mg across 500 ml; the general coffee reference contains 95 mg across 237 ml.
- Monster has more caffeine in the full named serving, while the representative coffee is more concentrated per 100 ml.
- Coffee brewing varies, and other Monster products or countries may use different formulations.
Calculated five-hour timeline
This table applies the same exponential half-life equation to both starting amounts. It does not show measured blood levels or predict which drink will affect a particular person more.
| Hours after serving | Monster Energy Original Green | Brewed coffee |
|---|---|---|
| 0 | 160 mg | 95 mg |
| 3 | 105.6 mg | 62.7 mg |
| 5 | 80 mg | 47.5 mg |
| 8 | 52.8 mg | 31.3 mg |
| 10 | 40 mg | 23.8 mg |
| 12 | 30.3 mg | 18.0 mg |
Sources
- Monster Energy UK product informationUK Original Green product page.
- USDA FoodData CentralRepresentative reference value; not a promise for every bean or brewing method.