Health Calculators
Evidence-based estimates for body mass index and daily calorie needs. Useful starting points — not a substitute for medical advice.
- 01 BMI Calculator Free BMI calculator for adults in metric or US units. Get your body mass index, WHO weight category and the healthy weight range for your height.
- 02 Calorie Calculator Free calorie calculator using the Mifflin–St Jeor equation. Estimate your BMR and daily calories to maintain, lose or gain weight at any activity level.
Other categories
3 tools Finance Calculators Work out monthly repayments, see how savings compound and check what a sale price really costs. Every calculator shows the formula it uses, so you can trust the number. 3 tools Math Calculators From everyday percentages to quadratic equations and land area conversions — fast, exact and explained step by step. 4 tools Text & Developer Tools Count, generate, repeat and format text without pasting it into a server. Your content never leaves this page. 2 tools Image Tools Resize, compress and download images without uploads or accounts. Processing happens on your device. 2 tools Education Tools Plan the week, score a mock test and understand exactly how negative marking changes your result.