By Coach Jeff Alagar, NASM Physique and Bodybuilding Coach and ISSA Certified Nutritionist. Updated November 2026.
Subtract the bar weight from your target, divide by two, and load the largest plates first. The calculator does it for 20, 15 and 10 kg bars with standard kg plates.
How this barbell plate calculator works
Plates used: 25, 20, 15, 10, 5, 2.5 and 1.25 kg. If the exact weight is not possible, it shows the closest load.
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These calculators give general estimates for healthy adults and are not medical advice. If you are pregnant, under 18, or have a medical condition, ask your doctor before changing your diet or training.
