TDEE CALCULATOR  ·  MACRO SPLITTER  ·  ONE REP MAX  ·  BODY FAT %  ·  BMI  ·  PROTEIN NEEDS  ·  TDEE CALCULATOR  ·  MACRO SPLITTER  ·  ONE REP MAX  ·  BODY FAT %  ·  BMI  ·  PROTEIN NEEDS  · 
Free Fitness Tools

KNOW YOURNUMBERS.

Science-backed calculators for people who take training seriously. No fluff, just data.

5
Calculators
100%
Free
0
BS Metrics
Gainz
TDEE Calculator
Total Daily Energy Expenditure — how many calories your body burns in a day. The foundation of every diet and bulk.
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Your Daily Burn
fill in stats above
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Macro Splitter
Break your daily calories into protein, carbs, and fat based on your goal. Built on evidence-based ratios.
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🥗
Your Macro Split
fill in calories above
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1 Rep Max
Estimate your one-rep max from a recent working set. Uses the Epley formula — accurate within 5% for most lifters.
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🏋️
Your Max Lift
enter weight & reps
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Body Fat %
Estimate body fat using the US Navy tape method. All you need is a tape measure — no calipers required.
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📏
Your Body Composition
enter measurements
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Protein Needs
How much protein do you actually need? Based on peer-reviewed sports nutrition guidelines, not bro science.
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💪
Your Protein Target
enter bodyweight
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Uni Student Guide

BEST PROTEIN SOURCES
ON A BUDGET

Ranked by cost per 10g of protein. Prices based on UK supermarket averages (Tesco/Asda/Lidl). Each card shows protein content, key micronutrients, and a student tip.

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Sort by:
Full Comparison Table
Cost: ≤14p 15–20p 21p+
Type: Animal Plant Dairy
Food Protein/100g Cost/10g prot Score Key Micros
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Interactive Guide

MUSCLE MAP
EXERCISE GUIDE

Select a muscle group — see the best exercises ranked for hypertrophy and strength, with optimal rep ranges and coaching cues.

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Select Muscle Group
Upper Body — Push
Upper Body — Pull
Core
Lower Body
SELECT A MUSCLE GROUP ABOVE
12 muscle groups · ranked by science
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