Time tracking calculator

Track project hours with stopwatch and manual entries

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The Time Tracking Calculator helps architects, engineers, and project managers track time spent on projects and tasks. Use the built-in stopwatch for real-time tracking or manually enter time entries with start and end times.

Accurate time tracking is essential for project management, billing, and understanding project profitability. The calculator provides both stopwatch functionality for active task tracking and manual entry for recording completed work.

Start the stopwatch to track time in real-time, or manually enter time entries with task descriptions, dates, and times. View total hours by task and export time data for invoicing and project reporting. Perfect for tracking billable hours and monitoring project progress.

Features

Everything you need

  • Stopwatch timer for real-time tracking
  • Manual time entry with dates and times
  • Task description tracking
  • Total hours calculation
  • Time entry management
  • Export capabilities
  • Project hour summaries

How it works

Simple workflow

  1. 1
    Start stopwatch for active task tracking
  2. 2
    Or manually enter start/end times
  3. 3
    Add task descriptions
  4. 4
    Review total hours by task
  5. 5
    Export time data for reporting

Use cases

Built for real-world scenarios

Billable hours tracking

Track time spent on client projects for accurate billing and invoicing.

Project management

Monitor time spent on different project tasks and phases.

Productivity analysis

Understand how time is allocated across projects and identify efficiency opportunities.

Fee proposals

Use historical time data to estimate hours for future project proposals.

FAQ

Frequently asked questions

Click start to begin tracking time. The stopwatch runs continuously until you pause or stop. Add a task description and save the entry when finished.

Yes, you can edit manually entered time entries to correct times, dates, or task descriptions. Stopwatch entries can be saved with task descriptions.

Total hours are automatically calculated from time entries. For manual entries: Hours = (End Time - Start Time) converted to decimal hours.

Yes, time entries can be exported for use in invoicing systems, project management software, or spreadsheet applications for further analysis.

Have a suggestion?

We're always looking to improve our calculators. If you have ideas for new features, improvements, or found something that could work better, we'd love to hear from you.

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