Protein Powder Cost Calculator

This calculator reduces a protein powder tub to three comparable numbers. Cost per Serving divides the container price by the label's serving count. Price and servings both move that ratio, but not quite symmetrically: a ten percent price hike multiplies cost by 1.10, while a ten percent serving-count cut divides it by 0.9 — a multiplier of about 1.111 — so the serving cut always hurts slightly more (on a $40, 30-serving tub, that's $1.467 per serving versus $1.481, a 10.0 percent increase against 11.1 percent). A percentage cut in the denominator always outweighs the same percentage rise in the numerator. Cost per Gram Protein goes one step further, dividing by the grams of protein per serving — the metric that exposes watered-down products, because a cheap tub with 15 grams per scoop often costs more per gram of actual protein than a premium tub with 25.

Monthly cost assumes a fixed two servings per day over 30 days, so it is always sixty times the per-serving figure; protein content does not enter it. One input is deliberately decorative: Protein Type (whey, casein, plant, collagen) is carried for your own labeling and appears in the worked steps, but the engine never reads it — the math treats all protein sources identically, so use the per-gram figure to compare across types yourself. Servings and protein-per-serving are floored at 1 to avoid dividing by zero on a malformed label. What the tool ignores: shipping, subscription discounts, amino-acid profile quality, and calories or fillers per scoop — value here is purely price against protein mass.