Task Duration Calculator
Calculate task duration using the three-point estimation technique. Get optimistic, pessimistic, and most likely estimates for accurate project planning.
hours
Best-case scenario
hours
Most realistic estimate
hours
Worst-case scenario
%
Your confidence in the estimate
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Task Duration Result
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Duration Visualization
Visual representation of task duration estimates
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Calculation Breakdown
Step-by-step task duration calculation
Estimated Duration
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hours
Range
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Min - Max
Confidence
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Level
Method
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Estimation
Optimistic
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Best case
Most Likely
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Expected
Pessimistic
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Worst case
Task Type
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Category
Duration Formulas
Key estimation concepts
Task Estimation Tips
Improving your duration estimates
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Project Management Disclaimer: This task duration calculator provides estimates based on inputs. Actual durations may vary with complexity, resources, and unforeseen challenges.