Example 1
- sessions 4
- minutes 40
- target 3 h
- gaps 6
- setup 5 min
0.7 hours below
40 − 5 = 35. 4 × 35 ÷ 60 = 2.3. 2.3 − 3 = −0.7. Days without study sit in the grid.
The calculator uses the numbers you enter: sessions, minutes, and the target. 4 times (40 minus 5) over 60 minus 3 is 0.7 hours below. Days without study sit in the grid.
The calculator does not issue a diploma and does not score the material. Groceries: food waste from a meal plan.
Enter data and click Calculate.
The calculator subtracts setup from session minutes, multiplies by sessions, and subtracts the target. 40 minus 5 is 35. 4 times 35 over 60 is 2.3. 2.3 minus 3 is 0.7 hours below. Days without study sit in the grid. Course cost is optional.
The main result comes from sessions, minutes, setup, and the target. Days without study and cost sit in the grid.
Second example: 6 times (50 minus 5) over 60 minus 4 is 0.5 above. Third: 1 times (20 minus 5) over 60 minus 3 is 2.8 below.
The calculator does not issue a diploma and does not score the material. A comma in 12.5 is read the same way as a period.
Result = sessions × (minutes − setup) ÷ 60 − target. At 4, 40, 3, and 5: 4 × 35 ÷ 60 − 3 = −0.7, so 0.7 hours below.
4 times (40 minus 5) over 60 minus 3 is 0.7 hours below.
0.7 hours below
40 − 5 = 35. 4 × 35 ÷ 60 = 2.3. 2.3 − 3 = −0.7. Days without study sit in the grid.
0.5 hours above
50 − 5 = 45. 6 × 45 ÷ 60 = 4.5. 4.5 − 4 = 0.5 above.
2.8 hours below
20 − 5 = 15. 1 × 15 ÷ 60 = 0.3. 0.3 − 3 = −2.8, so 2.8 below.
40 − 5 = 35. 4 × 35 ÷ 60 = 2.3. 2.3 − 3 = −0.7. Days without study sit in the grid.
Result = sessions × (minutes − setup) ÷ 60 − target. At 4, 40, a target of 3 and setup of 5 the result is 0.7 hours below.
50 − 5 = 45. 6 × 45 ÷ 60 = 4.5. 4.5 − 4 = 0.5 above.
20 − 5 = 15. 1 × 15 ÷ 60 = 0.3. 0.3 − 3 = −2.8, so 2.8 below.
The calculator does not issue a diploma and does not score the material. Course cost is optional.
No. The main result comes from sessions, minutes, setup, and the target. Days without study and cost sit in the grid.
Sessions are the study sittings. Minutes are the length of one session. The target is the weekly hours you set.
Yes. 12.5 and 12,5 are read the same way.
The result comes from the numbers you enter. This is learning hours versus the target, not a consistency score.
Page updated in 2026.