Ammo Cost-Per-Round Comparison
Compare ammo deals side by side by true cost per round — box price and round count don't tell the whole story until you do the math.
Cost per round = box price ÷ rounds. Don't forget shipping and any hazmat/transfer fees when comparing online bulk buys — they can erase a per-round savings on smaller orders. Retailer links may be affiliate links.
How it works
The cheapest box isn't always the cheapest ammo. A 50-round box at $18 and a 20-round box at $8 look close until you do the math — that's 36¢ vs. 40¢ per round. This tool lets you drop in every deal you're weighing — bulk cases, range packs, premium defensive loads — and instantly ranks them by true cost per round, so you can see which is actually the better buy.
Add the box price and the number of rounds for each option, and the comparison sorts them cheapest-first and highlights the winner. Use it before you check out online or stock up at the counter, and pair it with the live retailer links to go price the same load across major sellers. Buying in bulk almost always wins on cost per round — but only if the per-round number actually pencils out.
Educational estimates only — always verify zero and data by shooting, and follow all safety rules.