Pregnancy Calculator
Calculate estimated due date based on the first day of your last menstrual period (LMP) or ultrasound conception date.
How to Use the Pregnancy Calculator
- Select the first day of your last period or known conception date.
Formula & Calculation Methodology
Our mathematical algorithms adhere to standard scientific and financial guidelines to deliver maximum accuracy.
Frequently Asked Questions
How accurate is a due date calculator?
Only about 5% of babies are born exactly on their due date, but it provides an accurate 40-week estimate.
Related Fitness & Health Calculators
Calorie Calculator
Free online calorie calculator. 100% free with no sign up, no ads, and zero BS. Calculate daily calories, BMR, TDEE, macros & personalized weight loss timeline.
BMI Calculator
Compute your Body Mass Index (BMI) instantly to check if your weight falls within a healthy weight range.
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) to find out how many calories your body burns at complete rest.
Body Fat Calculator
Estimate your body fat percentage using standard body measurements (U.S. Navy Method).
Ideal Weight Calculator
Determine your ideal body weight range based on height, gender, and recognized medical formulas.
Pace Calculator
Calculate your running pace, speed, or target finish time for marathons, 5Ks, 10Ks, and workouts.