Temps & date Calculatrices
Calculate date differences, exact age, and time between events. Enter two dates — see days, weeks, months, and years between them. Free.
Les calculs d'heure et de date gèrent les fuseaux horaires, les années bissextiles, les jours ouvrables, les durées de date, les calculs d'âge et les conversions de formats de date internationaux.
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Time Calculators
Add and subtract hours, minutes, and seconds for any calculation. Enter time values — see the result in HH:MM:SS and decimal hours. Free.
7 calculatrices
Date Calculators
Calculate age, date differences, and calendar tools. Enter your date — see age, days since/until, and day of the week. Free.
6 calculatrices
Time Conversions
Convert between time units — seconds, minutes, hours, days, weeks, months, years. Enter any duration — see all equivalent time units. Free.
12 calculatrices
Time Calculators
Voir toutHours Calculatrice
Add and subtract hours and minutes for scheduling. Enter time values — see total duration with decimal hours conversion. Free.
Hours & Minutes Calculatrice
Perform time arithmetic with hours and minutes. Enter your times — see the total with AM/PM format and decimal conversion. Free.
Time Calculatrice
Add, subtract, multiply, and divide time values. Enter your hours and minutes — see the result with decimal conversion. Free.
Work Hours Calculatrice
Calculate total work hours for any period. Enter start and end times with breaks — see regular hours, overtime, and weekly totals. Free.
Minuterie de Compte à Rebours
Count down to any future date or event. Enter the target date — see days, hours, minutes, and seconds remaining. Free.
Chronomètre
Use a digital stopwatch with lap tracking. Enter laps — see split times, total time, and fastest/slowest lap comparison. Free.
Date Calculators
Voir toutAge Calculatrice
Calculez l'âge exact en années, mois, jours, heures et minutes. Entrez la date de naissance — voyez votre âge précis et votre prochain anniversaire. Gratuit.
Date Difference Calculatrice
Calculate the exact number of days, weeks, and months between two dates. Enter start and end date — see all units with weekday count. Free.
Date Calculatrice
Add or subtract days, weeks, or months from any date. Enter a date and duration — see the resulting date with day of week. Free.
Calculateur de Jours et Jours Ouvrables
Count days between dates with business days option. Enter start and end dates — see total days, business days, and weekends. Free.
Jour de la Semaine
Find the day of the week for any date in history or the future. Enter the date — see day name, day number, week number, and calendar facts. Free.
Quel Âge Ai-je ?
Calculate your exact age in years, months, days, hours, and minutes. Enter date of birth — see precise age with next birthday countdown. Free.
Time Conversions
Voir toutTime to Décimal
Convert time in hours and minutes to decimal hours. Enter HH:MM — see decimal hours for timesheet, billing, and payroll calculations. Free.
Décimal to Time
Convert decimal hours to hours and minutes. Enter decimal time (e.g. 2.75) — see HH:MM format for timesheets and billing. Free.
Military Time Convertisseur
Convert between 12-hour and 24-hour (military) time. Enter either format — see the other with AM/PM and 24h equivalents. Free.
Hours to Minutes
Convert hours to total minutes. Fast and accurate result with formula, step-by-step method and unit overview. Free tool.
ISO Week Nombre Calculatrice
Find the ISO 8601 week number for any date. Enter your date — see week number, year, and first/last day of that week. Free.
Quarter of Year Calculatrice
Find which fiscal or calendar quarter any date falls in. Enter your date — see quarter number, Q start/end dates, and days remaining. Free.