Pregnancy due date calculator
Estimate a due date from the first day of the last period.
A little less busywork
Pregnancy & periods
Useful tools, right when you need them. All free. All in your browser.
Pick a tool. Make it happen.
5 toolsAll toolsImageCreator studioCalculatorsStudy & IELTSTextDeveloperPDFEverydaySEO & webHealth & wellnessPregnancy & periodsParenting & familySports & trainingFun & photo boothCareer & businessNepalHome & solarTravel & eventsAudio & animationFood & cookingScience & electronicsGames & practiceSecurity & privacyEducation & worksheetsMoney & shopping
Pregnancy week & trimester
Calculate weeks, days and trimester from an entered pregnancy reference date.
Period calendar
Project cycle dates from a start date and your usual cycle length.
Estimated ovulation window
Explore an approximate ovulation interval from an assumed regular cycle.
Contraction timer & log
Record contraction start times, duration and intervals between starts.