Audiobook Listening Calculator
Calculate how many audiobooks you can listen to per year based on your daily schedule. Plan reading goals and optimize your listening time.
Free Time Calculators
23 toolsTime conversion, duration, and timer calculators. Browse our free time tools below — no sign-up required.
Audiobook Speed Calculator
Calculate how playback speed affects audiobook listening time. Find your optimal speed and see how much time you save at 1.25x, 1.5x, 2x, and custom speeds.
Binge-Watching Calculator
Calculate exactly how long it takes to binge-watch a TV series. Plan your viewing schedule for any show with custom episode counts and durations.
Date Difference Calculator
Calculate the exact time between two dates in years, months, days, weeks, and business days. Find durations for project planning, contracts, countdowns, and more.
Days to Hours Converter
Convert days to hours, minutes, and seconds. Enter any number of days and review the exact time totals.
Hours to Minutes Converter
Convert hours to minutes with exact base-60 time math. Enter any number of hours and see the matching minute total.
Hours to Seconds Converter
Convert hours to seconds and get the exact number of seconds for programming, timing, and scheduling.
Military Time Converter
Convert between 24-hour military time and 12-hour AM/PM format. Enter any time in either format and get the accurate conversion.
Minutes to Hours Converter
Convert minutes to hours and decimal hours. Enter any number of minutes to see the exact equivalent in both formats.
Minutes to Seconds Converter
Convert minutes to seconds and milliseconds. Enter any number of minutes and review the exact second totals.
Olga Tokarczuk Reading Time Calculator
Calculate how long it takes to read all of Olga Tokarczuk's books. Plan your journey through the Nobel laureate's novels with personalized time estimates.
Podcast Listening Calculator
Calculate your total podcast listening time per week, month, and year. Track how many hours you spend on podcasts and find your optimal listening schedule.
Pomodoro Timer Calculator
Plan your Pomodoro work sessions by calculating total work time, break time, and session end time. Enter pomodoros, durations, and breaks for a full plan.
Quarantine Reading Calculator
Calculate how many books you can read during quarantine, isolation, or extended time off. Build a reading plan based on your available days and reading speed.
Reading Challenge Calculator
Plan your annual reading challenge. Calculate how many pages and hours per day you need to hit your Goodreads or personal reading goal for the year.
Sleep Calculator
Calculate ideal bedtime or wake-up time based on sleep cycles. Each cycle is ~90 minutes; waking between cycles leaves you feeling refreshed.
Stopwatch Lap Time Calculator
Enter cumulative split times and calculate individual lap times, averages, fastest and slowest laps. Perfect for running, swimming, and cycling.
Time Card Calculator
Calculate weekly work hours from daily clock-in/clock-out times with overtime. Enter up to 7 days of shifts to get total regular and overtime hours.
Time Duration Calculator
Add or subtract two time durations in hours, minutes, and seconds. Combine multiple time spans or find the difference between two time values.
Time to Decimal Converter
Convert hours, minutes, and seconds to decimal hours or decimal minutes. Perfect for timesheets, payroll, and billing needing decimal time format.
Unit Converter
Convert between units of length, weight, volume, and temperature. Supports metric, imperial, and US customary units with bidirectional conversion.
Weeks to Days Converter
Convert weeks to days and see the exact equivalent in days, hours, and minutes for schedules, pregnancy timelines, and project plans.
Work Hours Calculator
Calculate total work hours between clock-in and clock-out times minus breaks. Enter start time, end time, and break duration to get net hours.