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Barbell Calculator

Enter a target weight to get the exact plates needed per side — with a live visual barbell, lb/kg toggle, multiple bar types, and a full plate inventory breakdown.

Visual barbell · lb & kg · 6 bar types · Inventory mode · 1RM percentages · Fractional plates

Target Weight

Enter the total weight you want on the bar

lbs
Available Plate Sizes

Toggle off plates you don't have. Calculator will use only checked plates.

Live Summary
—
lbs total
Bar weight—
Plates (each side)—
In kg—
In lbs—
Bar Weight Reference
Men's Olympic45 lb / 20 kg
Women's Olympic35 lb / 15 kg
Powerlifting55 lb / 25 kg
EZ Curl Bar~25 lb / 11 kg
Standard Bar~15 lb / 6.8 kg
Smith Machine~15–45 lb
Weight Milestones
1 plate/side—
2 plates/side—
3 plates/side—
4 plates/side—
Loading Order
Always load heaviest plates first, closest to the collar, and lightest plates last toward the sleeve end.
Load both sides evenly as you go — never load one side fully before the other.
Use collars/clips on every set, especially for Olympic lifts.