Home›Family & Life

FOR EVERY MILESTONE

Family & Life Calculators

Pregnancy, baby, age and compatibility calculators.

Instant results No signup Free to use

Browse by category

Find your tool faster

Pregnancy7 tools→ Baby & Child4 tools→ Age6 tools→ Love & Compatibility2 tools→

01 · 7 tools

Pregnancy

Due dates, conception dates and IVF dates — the dates that matter most.

IVF Due Date Calculator13,000/mo searches When Did I Get Pregnant9,100/mo searches Conception Calculator3,100/mo searches Chances of Getting Pregnant2,400/mo searches Conception – 2 Possible Fathers500/mo searches Ovulation / Period Calculator200/mo searches Due Date CalculatorFree online tool

02 · 4 tools

Baby & Child

Ages, growth and height percentiles for babies and children.

Child Age Calculator24,000/mo searches Baby Age Calculator23,000/mo searches Child Height Percentile450/mo searches Baby Growth PercentileFree online tool

03 · 6 tools

Age

Exact ages by date, by year and by photo — for people and pets.

Age at Death Calculator7,500/mo searches Age Calculator by Year5,900/mo searches Age Calculator by Photo1,400/mo searches Chronological Age Calculator900/mo searches Age CalculatorFree online tool Dog & Cat Age CalculatorFree online tool

04 · 2 tools

Love & Compatibility

Compatibility by date of birth and zodiac sign, just for fun.

Love Compatibility by Date of Birth1,500/mo searches Zodiac Compatibility CalculatorFree online tool
No calculators match your search. Try a different word.

Why CalcKit?

Instant answers

Type your numbers and see results update in real time. No waiting, no reloading.

Step-by-step

Every result shows the working. See the formula, the substitution and each step.

Free forever

Every calculator is free to use. No accounts, no trials, no hidden charges.

Built to be correct

Formulas checked against standard references, so you can trust the answer.

About

About these calculators

Family & Life covers the tools parents and families use most — from pregnancy and baby ages to exact ages and compatibility. Every calculator uses standard formulas and shows results instantly. Each tool has its own page with the method, formula and a worked example explained — so you can check every step yourself.

Explore

Other categories

Education10 calculators→ Finance36 calculators→ Health & Fitness26 calculators→ Math & Stats23 calculators→ Games12 calculators→ Home & Auto21 calculators→ More13 calculators→

Can’t find the right tool?

If there’s a calculator you need, let us know. We add new tools regularly based on community requests.

Request a calculator