MyMacroFit

All Calculators

Simple tools. Real answers. Always free.

Fast & accurate No signup required Personalized results
Most Popular

Macro Calculator

Determine your exact daily protein, carbs & fat targets.

Nutrition
Essential

TDEE Calculator

Find out precisely how many calories your body burns each day.

Nutrition
Foundation

BMR Calculator

Discover your baseline calorie burn before any activity.

Nutrition
For Athletes

Protein Calculator

Get your exact daily protein needs for your body and goals.

Nutrition
Keto

Keto Macro Calculator

Set the right 70/25/5 fat-protein-carb split for ketosis.

Nutrition

Intermittent Fasting

Calculate your optimal fasting and eating windows.

Nutrition
Advanced

Carb Cycling Calculator

Structure your high, medium and low carb days for maximum results.

Nutrition
Weight Loss

Calorie Deficit Calculator

Set the right deficit to lose fat while keeping your muscle.

Weight Loss
Quick Check

BMI Calculator

Understand your body composition and healthy weight range.

Weight Loss

Body Fat Calculator

Estimate your body fat percentage using the US Navy method.

Weight Loss

Ideal Weight Calculator

Find the healthy weight range for your height and frame.

Weight Loss
Lean Bulk

Lean Bulk Calculator

Set a precise calorie surplus that builds muscle without excess fat.

Muscle
Hypertrophy

Muscle Gain Calculator

Set realistic muscle gain targets with your macros dialled in.

Muscle
Strength

1RM Calculator

Calculate your one-rep max and program your training loads.

Muscle
Supplement

Creatine Calculator

Work out your creatine loading and maintenance doses.

Muscle

Water Intake Calculator

Calculate how much water your body needs every day.

Health

Sleep Cycle Calculator

Find the ideal bedtime for waking up rested and alert.

Health

Waist-to-Hip Ratio

Assess your cardiovascular risk based on body shape.

Health
Women 40+

Menopause Calorie Calculator

Adjust your maintenance calories for perimenopause and menopause.

Health

Fibre Calculator

Find your daily fibre target and the best foods to hit it.

Health

Calories Burned

See exactly how many calories your workout actually burns.

Fitness

Running Pace Calculator

Calculate pace, speed and finish time for any distance.

Fitness

VO2 Max Calculator

Estimate your aerobic fitness level and endurance potential.

Fitness

Steps Calculator

Convert your daily steps into calories burned and distance.

Fitness

Supplement Timing

Find the best time of day to take each of your supplements.

Supplements
New

Protein Powder Dose

How many scoops you actually need — based on your diet and goal.

Supplements
New

Caffeine Cutoff

The latest time you can drink coffee without ruining your sleep.

Health
Educational

GLP-1 Weight Projection

Trial-average weight loss for GLP-1 medication vs lifestyle change.

Weight Loss

Alcohol Calorie Calculator

See what your drinks really cost in calories each week.

Nutrition

Pregnancy Weight

Track healthy weight gain by trimester for your body type.

Pregnancy

Pregnancy Nutrition

Calorie and nutrient targets for each trimester.

Pregnancy

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