Free tools
Calculators that answer, not just count
Fill in a few fields and get a result you can save, share and bring to your coach or doctor.
- 12 tools
- No sign-up
- Instant result
Most used tool
Due date calculator
Enter the first day of your last period to find your estimated due date and how many weeks pregnant you are.
Work out your due datePregnancy
Nine months, without the guesswork
Due date, weight gain, and how hard it is safe to train in each trimester.
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Due date calculator
Enter the first day of your last period to find your estimated due date and how many weeks pregnant you are.
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How much weight gain is healthy in pregnancy?
Enter your height and pre-pregnancy weight to find your recommended weight-gain range based on established guidelines.
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How hard can I train during pregnancy?
Forget strict heart-rate limits. Answer four questions and get your effort zone, the test that checks it, and a week that fits the days you actually have.
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What's safe to train during pregnancy?
Answer a few questions to see what's safe to do in your trimester and what to steer clear of.
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After birth
Back to training, one step at a time
Checks that tell you where you are now and what the next safe step is, without the pressure.
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When is it safe to return to training after birth?
No pressure, no guessing. Answer a few questions to see which recovery phase you're in, what's safe now, and what to hold off on a little longer.
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Do I have diastasis? A quick self-check
Do a simple finger test and find out how likely diastasis is, what it means, and what to do next. No panic, step by step.
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Pelvic floor: do you have symptoms?
A short, discreet self-check. Answer honestly to see how likely pelvic floor weakness is and what you can safely do.
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Training and body
Numbers that actually mean something
Strength, training volume, body composition and realistic muscle-gain potential.
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Body composition analyzer
BMI alone tells you almost nothing. This tool analyzes your body proportions, fat distribution, and training history to reveal what's actually going on with your body and what to do about it.
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Training Volume & Recovery Calculator
Are you training too much, too little, or just right? This tool analyzes your training load against your recovery signals to identify risks before they become injuries.
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Fat Loss Plateau Analyzer
Weight loss has stalled and you're not sure why. This tool examines your diet duration, calorie intake, lifestyle factors, and training to identify the most likely cause.
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Strength Standards Calculator
How do your squat, bench, and deadlift compare? Enter your numbers and find out where you stand, from beginner to elite, along with what it takes to reach the next level.
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Muscle Gain Potential Estimator
How much muscle can you realistically build? Based on your frame, training history, and current physique, this tool estimates your natural genetic ceiling and projects your growth timeline.
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Your body is more complex than any calculator
A certified kinesiologist analyzes your unique situation and builds a program that actually works for your body type, lifestyle, and goals.
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