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How to pick a Facebook ads budget for a small business
Meta accepts a daily budget as low as $0.50, but its learning phase usually ends only after about 50 results in a week. Divide what you can lose in a month by 30, then check what one result costs you.
Bor Dolenec7 min read
The smallest daily budget in Meta's reference for ad sets is $0.50, for an ad set that is charged for impressions. That floor lets an ad run, and it does not let the ad learn.
For ad accounts in 24 countries on Meta's list, including the US, the UK and Germany, the floor is $1.00. Meta's page on the learning phase says an ad set usually leaves it after about 50 results in the week after its last significant edit. On $1 a day, each of those 50 would have to cost 14 cents.
So a small business's Facebook ads budget starts from a different sum: what you can afford to lose in a month, divided by 30, checked against the cost of one result.
Meta's minimums, by what you are charged for
The reference gives US dollars and calls its amounts illustrative. For bidding with no cap, it lists a floor for each thing an ad set can be charged for: impressions $0.50, clicks, likes and video views $2.50, and low-frequency actions $40. The $40 row names mobile app installs, offer claims and canvas app installs, not purchases on a website.
Meta says you are usually charged by impressions, so the first row is the one to start with. The doubling covers every row except the $40 one. With a bid cap, the floor follows your bid.
Meta converts the figures into your currency when you create the ad set, and Ads Manager alerts you if the budget is too low. Its help page on minimum budgets has no table and says bid strategy, optimisation, currency and schedule also change the minimum.
How much do Facebook ads cost for a small business
Meta's help pages say you decide how much to spend, and that ads compete in an auction for impressions based on bids and performance. So you set the budget and the auction sets what each result costs. Its pricing page says there is no one-size-fits-all answer to what ads cost.
The auction favours the ad with the highest total value, which combines your bid, how likely the person is to act and the quality of the ad.
The bill can run past a single ad's budget, because it covers every ad in the period and any location fees Meta charges in some regions.
How much to spend on Facebook ads per day
Aim for a daily budget of about seven times what one result costs. Meta's learning phase usually ends after about 50 results in a week, a little over seven a day, and Meta's own rules of thumb bracket that.
The seven is arithmetic and not a Meta rule. Meta's page on performance goals says a daily budget should in general be at least 10 times the average cost of the goal you optimise for. Meta's help page on minimum budgets says at least 5 times your cost per result goal, if you use that bid strategy.
Say each purchase costs you 19 in ad spend, the candle's break-even in the post on whether Facebook ads work for a small business. Fifty a week costs 950, about 136 a day, between Meta's 5 times (95) and 10 times (190). These are example numbers.
At 136 a day that is about 4,000 over 30 days, which may be more than you can lose. Meta's page on Learning limited lists fixes, among them an event that happens more often, such as add to cart in place of purchase. Say add to cart costs you 3: fifty a week is 150, about 21 a day. The ad set then looks for people who add to cart, not people who buy.
How much should you spend on a small business Facebook ads budget
Start from the most you could lose in a month without hurting the business, divided by 30. That is judgment, not a Meta rule. Then check what that daily figure buys against Meta's 50 results a week and what one result costs you.
- Say you can lose 600 in a month. Divided by 30, that is 20 a day.
- Multiply by 7 and divide by 50. Twenty a day gives 2.80, the most a result can cost for the budget to reach 50 in a week.
- Set 2.80 beside what each event costs. Meta shows estimated results before you publish, and the real cost per result after a week. If a purchase costs more, Meta may label the ad set Learning limited.
- Set the purchase cost beside what an order leaves you. If the ads cost more than the order earns, fix the price, the page or the offer first.
Meta says Learning limited is a sign the budget is not being spent effectively, and not a penalty. Move the number in steps: Meta says $100 to $101 is unlikely to send an ad set back into learning, and $100 to $1000 may.
The sum assumes a result keeps its price as the budget grows, and Meta says a significantly higher budget can raise cost per result, because it takes the lowest cost opportunities first. A small budget also limits the ads and tests it can carry, as how many ads to run at once and testing one change at a time show.
Daily or lifetime, and how far a day can run over
A daily budget is an average over the week, and not a cap. Meta's page on daily budgets says it may spend up to 75 per cent over on a day, and never more than 7 times the daily budget in a week. On 20 a day, that is up to 35 in a day.
A lifetime budget is a hard cap on the whole run, and it must clear the daily minimum times its days. It suits you if you can spend unevenly. Meta's developer documentation still says 25 per cent over, and Meta's page on budgets says the 75 per cent is being introduced to some accounts gradually. Plan for the larger figure, and use a lifetime budget if a day at 175 per cent would hurt. That is judgment.
When to spend nothing yet
Wait if any of these is true. They are judgment.
- A test order does not show in Events Manager. Meta's page on the Meta Pixel says the pixel logs actions such as adding to cart or buying. If those do not reach Meta, it has no purchase to look for.
- A purchase costs more in ads than the order leaves you, even at the cheapest estimate Meta shows.
- What you can lose in a day is under 5 times the cost of the cheapest event you could optimise for, the lowest multiple Meta states.
Making the ads the budget pays for
The number is yours to set. Making the ad is the part Nomi does. Give it your site once and it drafts your brand, products and buyers for you to correct. Ask for a campaign in a sentence and it plans it, writes the copy and makes the ad in the shapes Meta's placements take. See how a store owner uses Nomi.