Free Life Event Calculators — Pregnancy, Ovulation & Dog Age
Calculators for life's important moments. Free, no signup, works on any device.
Pregnancy Due Date Calculator
Calculate your estimated due date from your last menstrual period. Shows current pregnancy week, trimester dates, and key milestones. Free, no signup.
Use Tool →Ovulation Calculator
Calculate your ovulation date and fertile window based on your cycle length. Highlights fertile days on a calendar view. Free, no signup.
Use Tool →Dog Age Calculator
Convert dog years to human years using the scientific formula — not the inaccurate "multiply by 7." Accounts for small, medium, large, and giant breeds. Free, no signup.
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