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Project Time Estimator Calculator
Estimate total project time using three-point estimates.
⏱️ Free Online Tool
⚡ Instant Results
📊 Clear Comparison
🔒 100% Free Tool
Expected
Compare Your Options And Get Clear Answers
Estimate total project time using three-point estimates.
Project Time Estimator Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: PERT = (O + 4M + P) / 6.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Project Quick Guide
Typical values for reference.
| Case | Hours | Weight | Note |
|---|---|---|---|
| Optimistic | 40 | 1 | Best |
| Likely | 60 | 4 | Typical |
| Pessimistic | 100 | 1 | Worst |
| Expected | ~63 | – | PERT |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Project Time Estimator Calculator FAQ
Answers to common questions about this calculator.
A three-point estimating method that weights the most likely value.
It gives a quick estimate of project time from the values you enter.
No. It is a planning estimate, so check important figures with a professional or official source.
Yes. Edit any field and the result updates when you calculate.