Add your activities one by one. Enter each activity name and duration. The calculator totals your time and shows if you're over or under 40 minutes. Adjust activity durations until the total matches your class period.

Common activities include: warm-up (5 min), introduction (5-10 min), main lesson (15-20 min), practice activity (10 min), and closing (5 min). Our tool shows a visual timeline to help you balance your lesson.

The free tool doesn't save plans. You can take a screenshot or print the results. For automatic saving and full lesson plan generation, explore Teacher AI's Lesson Planning feature. Our Help & Support bot can guide you.

Set your total class time to match your double period (usually 80 minutes). Add activities as normal. The visual timeline adjusts to show your full lesson flow. Plan a short break activity in the middle.

The calculator shows your total time in red when you exceed your class duration. Reduce some activity times or remove low-priority activities. The visual timeline helps you see which activities take most time.

Yes. The tool works with any curriculum including NCERT, CBSE, ICSE, and state boards. You set your own activities and times. The tool just helps you visualize and balance your lesson timing.