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Lanka Institute ofFitness & Nutrition

Sri Lanka's accredited fitness education institute — TVEC, VTCT (UK) and NASM qualifications.

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Visit us

  • No.540/D, Old Kottawa Road, KottawaStudio: LIFN Wellness+, Pannipitiya
  • +9472 392 8214+9477 169 7421
  • info@lifn.lk
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Accredited & approved by

  • TVEC
  • VTCT
  • iTEC
  • NASM
  • AFAA
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Resources

Free Fitness Calculators.

The same tools our trainers use with clients — free, quick and made for Sri Lankans, with Asian BMI ranges and local foods.

Body Composition

Understand where you are right now — beyond what the scale alone shows.

Become a fitness trainer
Feet on a bathroom scale in a gym

BMI Calculator

Check your Body Mass Index against both Asian and standard ranges.

Open calculator
Skinfold callipers measuring body fat

Body Fat Calculator

Estimate body fat % with the Navy, Jackson-Pollock or Durnin-Womersley method.

Open calculator

Nutrition

Know how much energy your body needs to lose, gain or maintain.

Study nutrition
A balanced meal of chicken, rice and broccoli

TDEE / Calorie Calculator

Estimate your daily calorie needs from your stats and activity level.

Open calculator

Training

Train at the right intensity — for strength and for cardio.

Learn to program training
An athlete gripping a loaded barbell

One-Rep Max Calculator

Estimate your 1RM from any weight and rep count.

Open calculator
A smartwatch showing heart rate during training

Heart Rate Zone Calculator

Find your personal training zones, from easy recovery to peak effort.

Open calculator