Duration Calculator

Duration Calculator is a versatile and intuitive time-utility app designed for professionals, athletes, and anyone who wants full control over their schedule. Whether you’re calculating payroll, planning global meetings across time zones, or tracking your running pace, Duration Calculator delivers precise results in a clean, modern interface.

Stop struggling with mental math or clunky spreadsheets. From simple time additions to complex date-to-date milestones, this app does the heavy lifting—so you can focus on what matters most.

Core Features

Advanced Time Math: Perform time arithmetic (Add, Subtract, Multiply, Divide). Supports HH:MM:SS, Decimal Hours, and Total Minutes.

Payroll Calculator: Quickly estimate gross wages by entering hourly rates, applying overtime multipliers (such as 1.5×), and automatically deducting lunch breaks.

Date Difference Tool: Calculate the exact duration between two dates, with options to exclude weekends or count business days only.

Global Meeting Planner: Ideal for remote teams. Find overlapping working hours across multiple time zones to schedule meetings effortlessly.

Milestone Tracker: Track important life or project milestones by adding or subtracting a specific number of days from any date.

Pace Calculator: Essential for runners and cyclists. Calculate speed and pace per unit (kilometers or miles) based on total activity time.

Multi-Format Results: Instantly view results in Hours, Minutes, Seconds, Milliseconds, or as a fraction of a day.

Smart History & Auto-Save: Automatically saves previous calculations so you never lose important data.

User-Centric Design

Dark Mode Support: A sleek, eye-friendly interface for any lighting condition.

Haptic Feedback: Tactile confirmation for every button press.

Professional Settings: Customize decimal separators (period or comma) and 12/24-hour time formats.

Video Frame Rate Support: Specialized calculations for video editors (24 fps, 30 fps, and 60 fps).

Ad-Free Experience: Focus on your work without distracting interruptions.

Whether you’re a freelancer tracking billable hours, a project manager calculating deadlines, or an athlete monitoring performance, Duration Calculator provides the precision tools you need to stay organized and efficient.