Editor In Chief Estimate the probability of a baby having brown, green/hazel, or blue eyes based on each parent’s eye color and whether either side of the family has blue or green eyes. This simplified calculator uses weighted genetic likelihoods for an educational estimate rather than a medical prediction.
Estimate the number of days remaining until your baby’s arrival based on due date timing, pregnancy stage, and average cycle length.
Estimate your current pregnancy milestone by calculating gestational age in weeks from the first day of your last menstrual period, average cycle length, days since that date, and whether conception was tracked with ovulation timing.
Estimate how many days and weeks remain until your due date based on your current pregnancy progress. Enter your current pregnancy week and day, and optionally adjust the standard pregnancy length.
Estimate how many weeks remain until your baby arrives based on your current week of pregnancy, expected due week, and whether you want to account for an earlier or later likely delivery.
Estimates the recommended total pregnancy weight gain range based on pre-pregnancy BMI and whether the pregnancy is singleton or twin.
Estimate how many days remain until your baby arrives based on pregnancy timing details. Enter your due date or calculate from weeks and days pregnant to see the countdown to 40 weeks.
Estimate the current pregnancy trimester based on gestational age in weeks and days. The calculation converts weeks and days into total gestational weeks and maps the result to trimester ranges: first trimester through 13 weeks, second trimester from 14 to 27 weeks, and third trimester from 28 weeks onward.
Estimate how far along a pregnancy is as a percentage based on gestational age in weeks and days, using a standard 40-week pregnancy length.
Estimate how many weeks pregnant you are based on the number of days since the first day of your last menstrual period, adjusted for average cycle length and rounded for display.
Estimate how many days pregnant you are based on the first day of your last menstrual period, your average cycle length, and whether your cycle is regular. The calculator adjusts the estimate using the difference between your cycle length and a 28-day cycle.
Estimate gestational age in completed weeks based on the first day of the last menstrual period, average cycle length, and days since that date. The calculator adjusts ovulation timing using cycle length and returns the estimated gestational weeks of pregnancy.
Convert pregnancy months into estimated pregnancy weeks using a standard average of 4.345 weeks per month. Includes an optional input for extra days to provide a more precise estimate based on partial months.
Convert pregnancy weeks into approximate pregnancy months using the common clinical convention that groups gestational weeks into month ranges. Adjust for additional days and view the estimated month of pregnancy.
Calculate body mass index during pregnancy using current weight and height, with an option to estimate pre-pregnancy BMI by subtracting pregnancy weight gain.
Estimate total parental leave pay based on average weekly earnings, leave duration, employer pay rate, and any government benefit received during leave.
Estimate daily protein needs during pregnancy based on pre-pregnancy weight, trimester, activity level, and whether you are carrying multiples.
Estimate recommended daily water intake during pregnancy based on body weight, trimester, activity level, and climate. This calculator provides a practical daily hydration target in liters.
Estimate daily calorie needs during pregnancy based on age, height, pre-pregnancy weight, activity level, and trimester using a BMR-based formula with pregnancy calorie adjustments.
Estimates recommended total pregnancy weight gain based on pre-pregnancy BMI, whether you are carrying one baby or multiples, and your current week of pregnancy. It also estimates the recommended weight gain by your current week.
Estimate recommended total pregnancy weight gain based on pre-pregnancy BMI, whether you are carrying multiples, and your current trimester. The result reflects standard guideline ranges and adjusts progress expectations by trimester.
Estimate the total income you may forgo during unpaid maternity leave based on your pay, leave length, work schedule, and any paid coverage you expect to receive.
Estimate total paternity leave pay based on average weekly earnings, length of leave, employer pay policy, and the statutory weekly cap.
Estimate total maternity leave pay based on average weekly earnings, leave length, the number of fully paid weeks, the employer pay rate during enhanced pay, and the statutory pay rate for remaining eligible weeks.
Estimate the total cost of hiring a newborn care specialist based on hourly rate, hours per night, number of weeks, nights per week, provider experience, and location.
Estimate a daycare daily rate based on hours of care, child age group, meals provided, location cost level, and provider-to-child ratio.
Estimate the total cost of hiring a night nanny based on hourly rate, hours per night, nights per week, number of weeks, and location pricing level.
Estimate each family’s weekly nanny share cost based on the nanny’s hourly rate, hours per week, number of children from your family, local cost level, and payroll taxes and benefits. This calculator helps families compare shared care costs using a realistic pricing structure where each family typically pays a discounted portion of the full nanny rate plus employer-related costs.
Estimate a fair nanny hourly rate based on base pay, number of children, caregiver experience, location cost, and added household duties.
Estimate a nanny’s weekly gross pay based on hourly rate, hours worked, overtime, number of children, and the nanny’s experience level.