Estimating the time required to perform some task or tasks.

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25
votes
7answers
2k views

How to explain that it's hard to estimate the time required for a bigger software project?

I'm a junior developer and I find it hard to estimate how much time it takes to finish a bigger software project. I know how to structure the architecture in general, but it's hard for me to know what ...
48
votes
36answers
2k views

What can I do to get better at estimating how long projects are going to take? [duplicate]

I don't want to make life hard for management. I really don't. They're nice enough guys, but every time I am assigned a new project or task and get asked "how long do you think it will take to do ...
61
votes
18answers
4k views

Completion time on a company where the supervisors don't know programming

We are in a small company with around 10 developers. I am the team leader and responsible for the development process. Supervisors and salesmen are close to us since we are a small team, but have no ...
24
votes
13answers
1k views

Sales Manager: “Why is time-estimation so complex?” [duplicate]

A few days ago a sales manager asked me that question. But at this moment I didn't know a answer which he can understand. He isn't a programmer! At the moment I work on a product which is over 8 ...
7
votes
9answers
2k views

How to answer “When will it be done?”

We all have it, problems that prove difficult to fix and working out a fix through obscure code and bizarre unexpected functionality. Slowly, logically working your way through trying to find ...
3
votes
5answers
362 views

How do you manage project estimation and managing your teams time

I'm thinking of things like: designating a developer having say 6 hours out of their normal 7.5 hour day dedicated to the project, the rest for other work/company related activity (meetings, emails, ...
8
votes
7answers
677 views

How long to spend estimating programming tasks?

For example, if I break a project into n discrete work products (say classes or functions or components) is there a time t such that n*t is a suitable amount of time to spend on estimation?
7
votes
5answers
604 views

Assuming “clean code/architecture” is there a difference in “effort” between PHP or Java/J2EE web application development?

A client asked us to estimate effort when selecting PHP as the implementation language for his next web-based application. We spent about a week exploring PHP, prototyping, testing etc., We are quite ...
5
votes
2answers
549 views

Is it okay to add time for “unexpected delays” to a time estimate?

I've landed my first contract (hooray, self employment!) and the company is asking for time estimates. Programmers are notoriously bad at time estimates, and I know I've been laughably wrong ...
4
votes
3answers
335 views

How to infer my Assumptions I based my time estimate on?

In an answer on how to make time estimates it is said to write down all your assumptions you made when estimating a project. Seems like a good plan. Problem is, by assuming I already made an ass out ...
0
votes
2answers
172 views

estimation method at the “just finished definition phase”

We are basically using Waterfall life cycle methodology. Requirement Analysis: I get a use case created by some one else. Design (talking only about Low level design): I get some little feeling about ...