Dates are estimates
Pregnancy calculators use common dating rules. Ultrasound, cycle history, or IVF details may change your official date.
Maternity leave planner
Sketch your leave timeline.
Plan a simple leave start and return date from your estimated due date and leave length.
⚡ Instant results🌼 No login📱 Mobile-first
One small answer at a time
Use the result as a planning note, then confirm important details with your care team.
Live toolUpdates instantly
Estimated leave startApril 27, 2026
Return dateJuly 20, 2026
Leave length12 weeks
Helpful context
Simple answers before you use the result.
Use it as a planning guide
Your result can help with appointments, checklists, baby names, registry timing, and weekly planning.
Ask when unsure
If a date or symptom feels confusing, your clinician is the best place to confirm what it means for you.
Sources and safety
BumpCalc uses common pregnancy dating rules for planning. For official dating, ultrasound timing, IVF details, symptoms, or urgent concerns, use your clinician's guidance.
Printable planner
The Calm Pregnancy Planning Pack
Get the full printable PDF with due date pages, hospital bag checklist, birth plan template, baby registry planner, baby budget worksheet, maternity leave planner, and 40 weekly check-ins.
Get the plannerEarly-bird price for the first 50 buyers.