Project management discipline

Schedule & Estimating

Model dependencies, estimate uncertain work, identify flexibility, and test recovery options.

Management question

When can we finish, and which activities need the closest control?

15 focused tools

01

Frame

State the decision and the audience before selecting a metric.

02

Validate

Confirm status date, units, baseline, source owner, and confidence.

03

Act

Record the conclusion, decision owner, threshold, and next review.

Available analyses

Choose the output your decision requires

Full library
01

Critical Path Calculator

Find the dependency path that determines project duration.

Includes interpretation guidance
02

PERT Calculator

Create an uncertainty-aware duration estimate.

Includes interpretation guidance
03

Three-Point Estimate

Compare PERT and triangular estimates.

Includes interpretation guidance
04

Float Time

Calculate schedule flexibility and critical activities.

Includes interpretation guidance
05

Float / Slack Analysis

Review total and free float across activities.

Includes interpretation guidance
06

Schedule Variance

Compare earned value with planned value.

Includes interpretation guidance
07

Schedule Compression

Evaluate crashing and fast-tracking trade-offs.

Includes interpretation guidance
08

Working Days

Convert calendar dates into realistic working time.

Includes interpretation guidance
09

Time Zone Converter

Coordinate milestones and meetings across locations.

Includes interpretation guidance
10

Project Duration Calculator

Translate estimated effort, team size, working time, and productive utilization into a practical delivery duration.

Includes interpretation guidance
11

Milestone Hit Rate Calculator

Measure the percentage of completed milestones delivered on or before their approved baseline dates.

Includes interpretation guidance
12

Project Schedule Buffer Calculator

Calculate schedule buffer as a percentage of planned duration and show the protected commitment duration.

Includes interpretation guidance
13

Project Deadline Feasibility Calculator

Test whether the remaining effort fits within the available team capacity before a target deadline.

Includes interpretation guidance
14

Project Schedule Slippage Calculator

Quantify forecast or actual schedule delay in days and as a percentage of the approved planned duration.

Includes interpretation guidance
15

Schedule Crash Cost per Day Calculator

Calculate the incremental cost per day saved when evaluating a critical-path activity for schedule crashing.

Includes interpretation guidance