Interactive tool

Tea Caffeine Calculator

Estimate tea caffeine by type, cups, and method — or compare tea vs coffee side by side. Research-style ranges, not medical advice.

Research-style estimates — not medical advice. Wellness terms .

Tea day mode totals your cups. Tea vs coffee puts a typical brewed-coffee mid-range next to your tea estimate.

Tea estimate

60 mg

About 30 mg per cup × 2. Ranges for green tea: 20–45 mg / cup. Not medical advice.

Notes

  • Matcha uses a 2 g whisked serving baseline; leaf teas use a typical cup mid-point.
  • Coffee comparison uses ~95 mg per 240 ml cup (mid of common published ranges).
  • Deeper reading: Caffeine by tea type, matcha caffeine.
  • Not medical advice.