Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Pregnancy Due Date & Week Calculator

Calculates your estimated due date, current pregnancy week, and trimester from your last menstrual period or conception date. Ideal for first-trimester planning and tracking gestational milestones.

Calculation Method

Day of Month (day)

Month (month)

Year (year)

Average Cycle Length (days)

Fill in the required fields to see your result.

Health

BMR & Daily Calorie Needs Calculator

Calculate Basal Metabolic Rate (BMR) using the Mifflin-St Jeor equation, then multiply by an activity factor to estimate Total Daily Energy Expenditure (TDEE) — the calories you burn in a typical day. Use it as the baseline for weight management, sports nutrition, and meal planning.

Weight (kg)

Height (cm)

Age (years)

Gender

Activity Level

Fill in the required fields to see your result.

Key differences

	Pregnancy Due Date & Week Calculator	BMR & Daily Calorie Needs Calculator
Category	Health	Health
Inputs required	5	5
Result	Due Date (timestamp)	Daily Calorie Needs (calories)
What it does	Calculates your estimated due date, current pregnancy week, and trimester from your last menstrual period or conception date. Ideal for first-trimester planning and tracking gestational milestones.	Calculate Basal Metabolic Rate (BMR) using the Mifflin-St Jeor equation, then multiply by an activity factor to estimate Total Daily Energy Expenditure (TDEE) — the calories you burn in a typical day. Use it as the baseline for weight management, sports nutrition, and meal planning.