Clockulator - Time Calculator

About this app

Clockulator is a complete time calculator and a full toolkit for every time question in your day. Add, subtract, multiply, and divide hours, minutes, and seconds directly — no decimal math in your head, no scratch paper. Beyond the calculator you get 40+ focused tools covering durations, pay, scheduling, world clocks, pace, and everyday oddities like baby age, pet age, and cooking timers. Core calculator • Real time arithmetic on hours, minutes, and seconds • Four result formats: clock, decimal hours, natural, total seconds • Step-by-step breakdown of every calculation • Smart paste — drop in any duration string and Clockulator parses it • Tap any value or operator to edit • Custom themes, from Classic to Atomic Age and Cyber Punk 40+ time tools • Conversion — decimal clock, 12/24 hour format, unit converter, Unix timestamp • Date math — add or subtract days, day of year, leap year, weekday finder • Duration — age calculator, countdown, date span, time between, workday counter • Pace & speed — pace, speed/distance, finish time estimator, split tables • Percentages — life percentage, percent of day, year progress • Productivity — Pomodoro planner, time blocking, meeting cost • Sleep & wellness — sleep cycle, nap timer, water intake • Work & payroll — shift calculator, overtime, time card totaler, payroll rounder, break splitter • World clock — time zone converter, meeting planner, world clock • Specialized — baby age, pet age, billing rate, music BPM, retirement timer, cooking timer Pay rate conversions Turn any duration into money at your hourly or per-minute rate. Useful for freelancers, hourly workers, and anyone who bills time. Saved history Every calculation is saved. Revisit, reuse, or copy any result from a searchable history. Privacy first Everything runs on your device. No account, no sign-in, no servers, no tracking. Optional iCloud sync keeps your history in step across your own devices. iPhone and iPad Native on both, with a layout that adapts to every screen size. Terms (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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1. First observed Oct 15, 2026 · 3:23 PM Free