Lifestyle & Productivity
Pomodoro Calculator
Pomodoro sessions needed for a task, with breaks and the finish time.
sessions = work minutes ÷ session length,…
Also called pomodoro timer calculator · focus session calculator
Everyday & Lifestyle · 11 calculators
Lifestyle & Productivity Calculators
Pomodoro sessions, work hours, productivity, daily and weekly goals, habits, time allocation, screen time and sleep.
Lifestyle & Productivity
Work Hours Calculator
Hours worked between a start and end time minus unpaid breaks — handles overnight shifts — with decimal hours and pay.
Hours = end − start − break (add 24 h if …
Also called hours worked calculator · working hours calculator
Lifestyle & Productivity
Productivity Percentage Calculator
Productive time as a share of hours worked, with output per hour.
productivity % = productive hours ÷ hours…
Also called efficiency percentage · utilisation rate calculator
Lifestyle & Productivity
Daily Goal Calculator
How much to do each day to hit a target by a deadline, with catch-up if you fall behind.
daily target = remaining ÷ working days l…
Also called daily target calculator · pace calculator goal
Lifestyle & Productivity
Habit Completion Calculator
Habit consistency rate, current streak value and what it takes to hit a target.
consistency = days completed ÷ days track…
Also called habit tracker calculator · streak calculator
Lifestyle & Productivity
Time Allocation Calculator
Where your week goes, hour by hour, with the free time left over.
free time = 168 hours − everything commit…
Also called weekly time budget · where does my time go
Lifestyle & Productivity
Screen Time Calculator
Daily screen time projected over a year, and what you could do with it instead.
yearly hours = daily hours × 365
Also called phone usage calculator · daily screen time
Lifestyle & Productivity
Sleep Duration Calculator
How long you slept between bedtime and wake time, in hours and minutes, with sleep cycles completed.
Sleep = wake time − bedtime − time to fal…
Also called how much did i sleep · sleep hours calculator
Lifestyle & Productivity
Bedtime Calculator
Best times to go to bed to wake up refreshed at the end of a 90-minute sleep cycle.
Bedtime = wake time − (cycles × 90 min) −…
Also called when should i go to sleep · sleep calculator
Lifestyle & Productivity
Wake-Up Time Calculator
If you go to bed now (or at a set time), the best times to wake up at the end of a sleep cycle.
Wake = bedtime + latency + cycles × 90 min
Also called when should i wake up · best wake up time
Lifestyle & Productivity
Reading Time Calculator
Estimate reading time for an article or book from a word count or page count and your reading speed.
Time = words ÷ reading speed (≈ 238 wpm f…
Also called how long to read · read time
Key lifestyle & productivity formulas
| Pomodoro | sessions = work minutes ÷ session length, rounded up |
|---|---|
| Work Hours | Hours = end − start − break (add 24 h if overnight) |
| Productivity Percentage | productivity % = productive hours ÷ hours worked × 100 |
| Daily Goal | daily target = remaining ÷ working days left |
| Habit Completion | consistency = days completed ÷ days tracked × 100 |
| Time Allocation | free time = 168 hours − everything committed |
| Screen Time | yearly hours = daily hours × 365 |
| Sleep Duration | Sleep = wake time − bedtime − time to fall asleep |
| Bedtime | Bedtime = wake time − (cycles × 90 min) − time to fall asleep |
| Wake-Up Time | Wake = bedtime + latency + cycles × 90 min |