How to use the Calorie Calculator (with examples)
By the Super Simple Digital Tools Team · Updated June 2026
Whether it's for work, study or everyday life, the Calorie Calculator takes the hassle out of everyday calculations. Estimate the daily calories you need to maintain, lose, or gain weight based on the Mifflin-St Jeor equation. Free, instant, no signup.
Using it takes seconds: fill in the fields with your numbers, then press Calculate to run the calorie calculator, then copy the result or try a related tool next.
Instant results — Enter your figures and the calorie calculator returns an answer in seconds.
Ready to try it? Open the Calorie Calculator and get your answer in seconds.
- Instant results: Enter your figures and the calorie calculator returns an answer in seconds.
- Free & private: Runs in your browser — no signup, and nothing is sent to a server.
- Accurate: Uses standard formulas so you can rely on the numbers.