Calorie Calculator for Women
Work out daily calorie needs with the Mifflin-St Jeor equation, adjusted for activity level and your weight goal using the women equation.
Why the result differs by sex
Female values differ in the formula itself, not just in interpretation. Women carry more essential body fat — roughly 10–13% against 2–5% for men — and every validated equation here uses a separate constant or coefficient for that reason.
The formula
Mifflin-St Jeor: BMR = 10·weight(kg) + 6.25·height(cm) − 5·age + s, where s is +5 for men and −161 for women.
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Calorie Calculator for Women
- Fill in each field with your own figures — the defaults are only there as an example.
- The result updates as you type, so there is no button to press.
- Check the breakdown under the main result for the supporting numbers.
- Use the copy button to take the result with you, or share the link to reload the same inputs.
Calorie Calculator for Women — frequently asked questions
Does calorie differ between men and women?
Female values differ in the formula itself, not just in interpretation.
How big should a calorie deficit be?
A deficit of about 500 kcal per day produces roughly 0.5 kg (1 lb) of weight loss per week for most people. Deficits beyond 1000 kcal per day are hard to sustain and risk losing muscle.
Why do two people of the same weight need different calories?
Height, age, sex and lean mass all change basal metabolic rate, and daily activity can vary by more than 1000 kcal between a desk worker and a manual worker.
Is this calorie calculator for women free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
How accurate is the result?
The maths is exact for the formula shown on the page. Accuracy in the real world depends on your inputs and on assumptions the formula cannot see, so treat the output as a well-grounded estimate rather than a quote.
This page is a focused version of the Calorie Calculator, which handles every variation in one place.
What people search for
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 15, 2026 · Calculation runs client-side · No data collected · Report an error