ILAYA Tools
Free, easy-to-use tools to help you understand your body and plan ahead — from body mass and daily calories to ovulation and your cycle. Pick a calculator below to get started.
BMI Calculator
Find your Body Mass Index and see whether your weight sits in a healthy range.
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Calorie Calculator
Estimate the daily calories your body needs to maintain, lose, or gain weight.
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Ovulation Days Calculator
Track your fertility window and key cycle dates based on your last period.
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Pregnancy Calculator
Estimate your due date and track your current pregnancy week from your last period.
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These tools provide general estimates for information only and do not replace professional medical advice.