Due Date Calculator

Calculate your estimated due date using Naegele's rule based on your last menstrual period or conception date. This free due date calculator shows your due date, conception date, current week of pregnancy, and trimester information.

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Tools|Due Date|hello-tools 2026

Calorie Calculator - BMR, TDEE, BMI & Macro Calculator - Free Online

Free online calorie calculator: calculate BMR (Basal Metabolic Rate), TDEE (Total Daily Energy Expenditure), BMI, and macronutrients (protein, carbs, fat) for weight loss, weight maintenance or muscle gain. Uses Mifflin-St Jeor equation. Mac OS 9 retro style.

Free online tool. hello-tools offers free, easy-to-use web tools. Calculators, converters, generators, and more — all in Mac OS 9 retro style. No signup required, no data stored.