Amazon PPC Budget Calculator

Three ways to plan your ad budget

1. Goal to budget. Enter the ad sales or orders you want each month. The calculator works out the orders and clicks that takes, what those clicks cost at your CPC, and whether that fits inside your target ACoS. If it does not, it shows the two honest options: keep the ACoS and accept fewer sales, or fix your CPC or conversion rate.
2. Budget to results. Enter what you can spend per month or per day. You get the clicks, orders and ad sales that budget should bring, your expected ACoS and ROAS, and the impressions you need if you add a click through rate.
3. Profit and max bid. This tab is your Amazon CPC calculator. Enter your price, product cost and Amazon fees, and you get your break even ACoS, the highest CPC you can bid, what each ad sale really earns, and your monthly profit and TACoS once organic orders are added.

Use it as an Amazon PPC cost estimator before a launch, and as a PPC budget estimator tool every month as your CPC and conversion rate change. Pick a category benchmark if you are just starting, then swap in your own CPC and conversion rate from your Search Term report as soon as you have two weeks of data. Switch the stage to Launch when you are pushing a new product, and the plan shows your total launch spend.

Why this is the best Amazon PPC budget calculator for sellers

Most free PPC budget tools multiply a sales goal by a target ACoS and stop there. The number looks neat, but it ignores what your clicks actually cost. Here is what this one does differently.

• It checks whether your plan is realistic. Every plan is tested against your real CPC and conversion rate, and the verdict box tells you when a target ACoS cannot hold.
• Three calculators in one. Plan from a sales goal, from a fixed budget or from your margins, without copying numbers between tools.
• It plans your whole Amazon budget. Daily, weekly and monthly spend, launch spend, and a split across Sponsored Products, Sponsored Brands and Sponsored Display, so your Amazon marketing budget sits in one place.
• Built from real account work. It runs the same budget checks I use on client accounts after 7+ years on Amazon.
• Free and private. No signup, your numbers stay in your browser, and you can save and share every plan.

The formulas behind the numbers

These are the formulas this Amazon PPC cost calculator uses, so you can check every number yourself.

The daily budget is the monthly budget divided by 30.4, the average number of days in a month.

How to calculate PPC budget for Amazon

Here is how to calculate your PPC budget by hand, with a real example. Say you sell a $34.99 product, your average CPC is $1.34 and 11.5% of clicks turn into orders. You want $10,000 a month in ad sales at a 30% ACoS.

• $10,000 ÷ $34.99 means about 286 orders.
• 286 orders ÷ 11.5% means about 2,485 clicks.
• 2,485 clicks × $1.34 means a real budget of about $3,330 a month, or $110 a day.
• That is a 33.3% ACoS, while your 30% target only allows $3,000.

A simple sales × ACoS calculator would tell you to spend $3,000 and expect $10,000. In reality $3,000 brings about $9,000 at these numbers. To hit the full goal at 30%, bring your CPC down to $1.21 or lift conversion to 12.8%. This gap between the plan and the real cost is exactly what the verdict box flags.

Typical CPC and conversion rate by category

Starting points for 2026 if you do not have your own data yet. These are the numbers the category benchmark menu fills in.

US marketplace, Sponsored Products. Sources: AdBadger and Jungle Scout 2026 benchmark reports, compiled by Eightx. Conversion rates are the platform wide range, so treat every number as a starting point and use your own data whenever you have it.