Accurate Time Estimation in Project Planning
 
 
Accurate time estimation is a skill essential for a good project management. There are two reasons for this:
 
1. Timing directs the setting of deadlines for delivery of projects, and hence peoples' assessments of your reliability.
 
2. They influence the cost of contracts and thus their success. Most people vastly underestimate the amount of time needed to implement projects. This is true particularly when they are not familiar with the task to be carried out.
 
They forget to take into account unexpected events or unscheduled high priority work. People also often simply fail to allow for the full complexity involved with a job.
 
Here it is discussed how to estimate time on small projects because they are important inputs into the other techniques used to organize and structure medium and large sized projects. These two factors reduce large projects down into a set of small projects. And they are important too. 
 
Using this time tool
 
 
1. First of all understand fully what you need to achieve. This includes examining the task in detail so that there are no unknowns. It is unavoidable and difficult-to-understand and it takes the greatest amount of time to solve.
 
2. List all tasks in full detail and it is important. Simple techniques such as Drill-Down are useful for this purpose.
 
3. Make your best guess at how long each task will take to complete after getting a detailed list of all the tasks that you must achieve.
 
4. Make sure to provide sufficient time for project management, detailed project planning, liaison with outside bodies, meetings, quality assurance and any supporting documentation required.
 
Also make sure that you have allowed time for the below cases:
 
1. Crisis and accidents 
 
2. Internal meetings
 
3. Quality control rejections
 
4. Get in touch with with other customers, perhaps to arrange the next job
 
5. Other high urgency tasks to be carried out which will have priority over this one
 
6. Stop workings in equipment
 
7. Holidays and sickness in essential staff
 
8. Disruptions
 
9. Neglected deliveries by suppliers
 
 
These features may increase the length of time needed to complete a project. If the accuracy of time estimates is critical, you may find it effective to develop a systematic approach to including these factors. 

Important points
 
It can be beaten a great deal of integrity by underestimating the length of time needed to implement a project. If you undervalue time, not only do you miss deadlines, you also put other project workers under unnecessary stress. Projects will become seriously unprofitable, and other tasks cannot be started. 
 
Understand the problem to be solved fully and this is the very first step towards making good time estimates.
 
Conclusion
 
You can then prepare a detailed list of tasks that must be achieved. This list should include all the administrative tasks and meetings you need to carry out as well as the work itself. Lastly, allow time for all the expected and unexpected disruptions and delays to work that will occur unavoidably.