How to Use the Protein & Supplement Cost Calculator
A single tub of protein powder or creatine rarely feels expensive on its own, but supplements are a recurring purchase, so the real cost only shows up once you calculate it monthly. This calculator takes your serving size, servings per day, container size, and price, then instantly works out how many days the product will last, your daily cost, and your projected monthly spend.
Scoop sizes and total container weights vary widely between brands, so comparing sticker prices alone can be misleading. A bulk tub priced higher than a smaller one might actually be cheaper per serving once you factor in how often you actually use it, which is exactly what a monthly-cost comparison captures.
If your monthly estimate comes in higher than expected, consider a smaller serving size or switching to a larger container to lower the per-gram price. If you stack multiple supplements, run each one through this calculator separately and add the totals together for your full monthly budget.
Frequently Asked Questions
Multiply serving size by servings per day to get daily usage. Divide the container size by daily usage to find how many days it lasts, then divide price by that number for a daily cost. Multiply the daily cost by 30 for the monthly estimate.
Run this calculator separately for each product and add up the monthly costs. For example, if you take both protein powder and creatine, calculate each one and sum the totals for your full supplement budget.