What is work and its unit?

What is work and its unit?

The SI unit of work is joule (J). Joule is defined as the work done by a force of one newton causing a displacement of one meter. Sometimes, newton-metre (N-m) is also used for measuring work.

How do I sum time duration in Excel?

HOW TO ADD TIME IN EXCEL

1. Step 1: Enter your hours and minutes in a hh:mm format in the column cells.
2. Step 2: Change the Format of your total cell to: [h]: mm.
3. Step 3: In your Total cell enter the Excel formula ” =SUM( ” and then select the cells with the hours in it.
4. Step 4: Click Enter. The total sum of your hours should now show up!

How do you add up time?

Adding Times Follow these steps: Add the hours. Add the minutes. If the minutes are 60 or more, subtract 60 from the minutes and add 1 to hours.

How do you sum multiple rows in Excel?

AutoSum Multiple Rows and Columns

1. Select the data to sum plus the blank row below the data and the blank column to the right of the data where the totals will display.
2. On the “Home” tab, in the “Editing” group, click the AutoSum button. Totals are calculated and appear in the last row and in the last column of the selected range!

How do I add 30 minutes in Excel?

Add or Subtract Time

1. Enter a time into cell A1.
2. To add 2 hours and 30 minutes to this time, enter the formula shown below.
3. Select cell B1.
4. Right click, and then click Format Cells (or press CTRL + 1).
5. In the Category list, select Time, and select a Time format.
6. Click OK.
7. Enter a time into cell A1 (use 2 colons to include seconds).

How do you add up minutes and seconds?

Step One: start by adding the hours of each time, minutes of each time, and seconds of each time together separately. If the minutes and seconds are both less than 60, then that’s it, you’re done! Step Two: if the seconds are larger than 60, simply add 1 to the minutes and subtract 60 from the seconds.

How do you calculate 45 minutes?

45 minutes is 45 minutes * (1 hour / 60 minutes) = 45/60 hours = 0.75 hours. 45 seconds is 45 seconds * (1 hour / 3600 seconds) = 45/3600 hours = 0.0125 hours. Adding them all together we have 2 hours + 0.75 hours + 0.0125 hours = 2.7625 hours.

How do you add up hours and minutes?

1. Add the hours together.
2. Add the minutes together.
3. If the number of minutes is 60 or more do the following: Subtract 60 from the number of minutes. Increase the number of hours by one. Repeat this process if the number of minutes is still 60 or more.

How do you calculate hours and minutes for payroll?

You do this by dividing the minutes worked by 60. You then have the hours and minutes in numerical form, which you can multiply by the wage rate. For example, if your employee works 38 hours and 27 minutes this week, you divide 27 by 60. This gives you 0.45, for a total of 38.45 hours.

How do you add up time for payroll?

Here’s how to determine hours worked:

1. Convert all times to 24 hour clock (military time): Convert 8:45 am to 08:45 hours.
2. Next, Subtract the start time from the end time.
3. Now you have the actual hours and minutes worked for the day.
4. Finally to determined total wage, you will need to convert this to a decimal format.

How do you calculate minutes?

First, divide the number of seconds by 60 to get it into minutes form. Add this to your number of minutes, then divide again by 60 to get hours.