Free online timer calculators for productivity, fitness, work tracking, and time management. Simple, accurate, and built for everyone.
Choose from our collection of free, accurate, and easy-to-use time calculation tools
Calculate elapsed time between two dates or times. Perfect for project timelines, age calculations, and event planning.
Use CalculatorSet countdown timers with custom alerts. Features quick presets, multiple simultaneous timers, and end time display.
Use CalculatorBoost productivity with work/rest intervals. Supports Pomodoro technique (25/5), HIIT, Tabata, and custom cycles.
Use CalculatorConvert times across 175+ global time zones. Includes meeting time finder and automatic daylight saving adjustments.
Use CalculatorPrecision timing with millisecond accuracy. Record lap times, track averages, and export results for analysis.
Use CalculatorTrack billable hours and project time. Features client categorization, reporting, and invoice-ready exports.
Use CalculatorCalculate worked hours with overtime. Supports break deductions, multiple shifts, and payroll-ready totals.
Use CalculatorAdd, subtract, and multiply time values. Convert between formats and calculate totals for any time data.
Use CalculatorEstimate presentation timing from word count. Adjustable speaking rates and paragraph-by-paragraph breakdowns.
Use CalculatorPurpose-built timers for study, fitness, meditation, and cooking. Activity-specific presets and tracking.
Use CalculatorBuilt with simplicity, accuracy, and accessibility in mind
No bloated features or confusing interfaces. Each tool does one thing exceptionally well.
No accounts required, no selling your data. Your calculations and preferences stay on your device.
Fully responsive design that works perfectly on desktop, tablet, and mobile devices.
WCAG 2.1 AA compliant with keyboard navigation, screen reader support, and high contrast.
No heavy frameworks or slow loading. Instant calculations with zero lag.
Your preferences are saved locally so you can pick up right where you left off.
Start using our free calculators today. No signup required, no hidden fees, no limitations.
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