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Time Percentage Calculator
Calculate time spans in percent. How much is a certain time span compared to another time span. Enter two time values or one time value and the percentage. The line left empty will be calculated.
If you press "Swap time 1 and time 2", i.e. swap both time entries, the reversed percentage is calculated. If the two time entries are not the same, then one of the two percentage is greater than one hundred percent, but values like this can also be meaningful results.
Example: if you sleep 7 hours and 45 minutes (time 1) a day (time 2: days=1), you slept 32.29% of the day. This percentage is somewhat imprecise, since one spends a certain amount of time in a half-sleep state, which is difficult to classify, but a rough estimate of the length of sleep is usually sufficient.
Another example: if you work 40 hours in a week, i.e. seven days, your net working time is 23.81 percent, or a little less than a quarter. Net because you generally spend a longer time at work, you take breaks now and then, which are not counted as working time. In addition, there is also a more or less long journey to work and back home.
For questions like: in a certain time span x, y% are done, how long does it take to reach 100%, see Rule of Three with Time Values.
Percent means "of one hundred", so one percent is one hundredth of the total, in this case of the entire specified period of time. We are used to dealing with percentages, their size is very descriptive. Fifty percent here means that the first period of time is half as long as the second, and at 100 percent both are the same length. This statement assumes that the first period is part of the second period, just as the length of sleep is part of the length of life. However, the calculation is not valid if the two periods exclude each other, such as sleeping time and waking time.
Time and Date Calculators
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