ToolNeko

Useful online tools for quick calculations and checks.

ToolNeko organizes everyday online tools. Current tools include health calculators for BMI, BMR, TDEE, daily calories, and body fat.

Common entrances

Open the calculator you need and get a result after entering your data.

Available now

Health calculators

Health calculators

TDEE Calculator

Estimate your total daily energy expenditure and understand roughly how many calories you burn per day.

Open tool
Health calculators

BMR Calculator

Estimate basal metabolic rate as the baseline for TDEE and daily calorie planning.

Open tool
Health calculators

BMI Calculator

Calculate body mass index from height and weight, then see the adult BMI category.

Open tool
Health calculators

Calorie Calculator

Estimate daily calories for maintenance, fat loss, or weight gain based on BMR and TDEE.

Open tool
Health calculators

Body Fat Calculator

Estimate body fat percentage from body circumference measurements using the U.S. Navy method.

Open tool

Choose by need

What do you want to estimate today?

Use these calculators as everyday references. For medical conditions, pregnancy, medication, or special diet and training needs, consult a professional.

Use case

Estimate daily energy use

Use TDEE to estimate total daily calories burned including usual activity.

Calculate TDEE
Use case

Check resting metabolism

Use BMR to estimate calories used at rest before activity is included.

Calculate BMR
Use case

Check height and weight range

Use BMI for a quick adult weight-range reference based on height and weight.

Calculate BMI
Use case

Set a daily calorie target

Estimate a daily target for maintenance, fat loss, or weight gain.

Calculate calories