How to Get a Job For Project Managers

Learn how to write resume and interview

Leadership for Project Managers

Learn how to lead and drive project success.

Project Management with AI

From a beginner to project management professional.

Agile Project Management and SCRUM with AI

Learn to run Scrum and Agile with AI.

Bottom-Up Estimating

An estimating approach that calculates total project cost or duration by first estimating each detailed WBS work package and then summing those estimates to the higher levels.

Key Points

  • Starts at the lowest-level WBS components and rolls estimates up to summary levels.
  • Typically more accurate than top-down methods, but requires more time and effort.
  • Relies on a complete WBS and input from subject matter experts for each work package.
  • Creates traceable, documented estimates and a defensible basis of estimate.

Example

A project manager for an ERP rollout asks functional leads to estimate hours and costs for each WBS work package: data migration, interface development, testing, training, and deployment. After gathering these detailed estimates, the PM aggregates them to produce the overall project duration and budget.

PMP Example Question

Your team has finalized the WBS. You ask each work package owner to estimate effort and cost for their activities and then sum these values to determine the project totals. Which technique are you using?

  1. Bottom-up estimating
  2. Analogous estimating
  3. Parametric estimating
  4. Three-point estimating

Correct Answer: A — estimating by rolling up work package estimates

Explanation: Bottom-up estimating aggregates detailed WBS work package estimates. Analogous is top-down using historical data, parametric uses unit rates, and three-point applies uncertainty ranges to individual estimates.

Advanced Project Management — Measuring Project Performance

Move beyond guesswork and status reporting. This course helps you measure real progress, spot problems early, and make confident decisions using proven project performance techniques. If you manage complex projects and want clearer visibility and control, this course is built for you.

This is not abstract theory. You’ll work step by step through Earned Value Management (EVM), learning how cost, schedule, and scope come together to show true performance. You’ll build a solid foundation in EVM concepts, understand why formulas work, and learn how performance data actually supports leadership decisions.

You’ll master Work Breakdown Structures (WBS), control accounts, and budget baselines, then apply core EVM metrics like EAC, TCPI, and variance analysis. Through a detailed real-world example, you’ll forecast outcomes, analyze trends, and understand contingencies and management reserves with confidence.

Learn how experienced project managers monitor performance, communicate results clearly, and take corrective action before projects slip. With practical exercises and hands-on analysis, you’ll be ready to apply EVM immediately. Enroll now and start managing performance with clarity and control.



Launch your career!

HK School of Management delivers top-tier training in Project Management, Job Search Strategies, and Career Growth. For the price of a lunch, you’ll gain expert insights into landing your dream PM role, mastering interviews, and negotiating like a pro. With a 30-day money-back guarantee, there’s zero risk—just a clear path to success!

Learn More