Conversion Value Rules in Google Ads: Limits, Precedence and Effects

Conversion value rules are one of the few Google Ads settings that change your reported numbers and your bidding at the same time. That is useful when a segment really is worth more to you, and misleading when it is not, because a multiplier raises reported conversion value without raising revenue by a cent.

This guide covers the exact limits, the precedence order when several rules match the same conversion, what the rules do to Smart Bidding, and the cases where Google's own documentation suggests a rule is redundant.

Quick Summary

A conversion value rule adjusts the value Google Ads records for a conversion when that conversion meets conditions you set, such as the customer's location, device or audience membership. The adjusted value is used for both bidding and reporting, and only one rule can ever apply to a single conversion.

• Three conditions are available, audience, location and device, plus a no condition option that exists only for store visit and store sales goals.
• A rule holds at most two conditions, and the second has to be a different type from the first.
• Operators are Add, Multiply and Set. Add has to be greater than 0, Multiply runs from 0.5 to 10, and Set is still in beta.
• Rules never stack. When several match, one wins on a documented precedence order and the rest are ignored.
• Every rule in the account must use the same condition types. Switching types means deleting every rule and building them again.
• The adjusted value feeds reporting too. Your conversion value and therefore your ROAS move even though revenue has not.

The constraints worth knowing before you build the first rule.

Table: documented limits on conversion value rules as set out in Google Ads Help.

Running value based bidding and unsure whether the reported return is real? Talk to Seller Splash about Google Ads management.

What Are Conversion Value Rules?

A conversion value rule is an account setting that changes the conversion value Google Ads records when a conversion meets conditions you define. Google describes the purpose as expressing the value of conversions as they relate to your business, rather than letting every conversion carry the same number.

The mechanics are simple. You pick a condition, such as customers in a particular region or on a particular device, then an operator that adds to, multiplies or sets the value. From that point the adjusted figure is what appears in the conversion value column and what Smart Bidding works with at auction time.

You create and manage them under Value rules in the Conversions area of the Goals menu. Accounts using cross-account conversion tracking create the rules from the manager account rather than from each child account.

Which Conditions Can a Conversion Value Rule Use?

Three condition types are available: audience, location and device. A fourth option, no condition, appears only when a store visit or store sales conversion goal is available on the account, which is how a flat value gets applied to in-store outcomes.

• Audience covers first-party lists and Google audience segments, so a Customer Match list of past buyers can carry a different value from a cold in-market segment.
• Location works at geographic levels, which is how a state, metro or country becomes a value modifier.
• Device separates mobile, desktop and tablet, which matters where one device genuinely produces different order sizes.
• No condition applies a single value to a store goal without any targeting criterion.

Selecting several options inside one condition behaves as an "or" test. Adding a second condition behaves as an "and" test, so the customer has to meet both. There is no "or" operator across two different condition types.

One restriction catches regulated advertisers. Google states that some value rule conditions may not be available to advertisers running ads related to housing, employment or credit, under its own policies for those categories.

What Are the Limits on a Conversion Value Rule?

Each rule holds a maximum of two conditions, a primary and an optional secondary, and the secondary must be a different type from the primary. You cannot combine two audience conditions, and you cannot build a rule with three criteria.

The operators carry their own boundaries. Add must be a value greater than 0. Multiply accepts a factor from 0.5 to 10, so halving a value is possible and so is multiplying it tenfold. Set, which fixes an absolute value rather than adjusting the existing one, is in beta and runs through a Google representative rather than being available to everyone.

What Is the Constraint Most People Miss?

Every value rule in the account has to use the same condition types. If your existing rules are built on location and you decide you want audience rules instead, Google's documented path is to delete all of the rules and recreate them from scratch.

That turns a small change into a rebuild, and it is the reason the first decision deserves more thought than it usually gets. Picking location because it was the easiest segment to describe, then discovering six months later that the real value difference is between returning and new buyers, costs you every rule in the account.

Which Rule Wins When Several Rules Match?

Only one rule is applied to any single conversion. Rules do not stack, so a conversion that qualifies under a location rule and an audience rule receives one adjustment, not two, and Google resolves the conflict on a documented order.

Table: the documented precedence order when more than one conversion value rule matches a conversion.

The practical reading is that your rule set behaves like a priority list rather than a formula. Adding a generous multiplier to a broad audience does not top up the narrow rules underneath it, it simply loses to them, which is the opposite of what people expect when they think in terms of bid adjustments.

How Do Conversion Value Rules Change Smart Bidding?

Smart Bidding reads active value rules at auction time rather than applying them afterwards. Target ROAS and Maximize conversion value then aim to drive as much conversion value as possible using those adjusted figures, which is what makes a rule a bidding change rather than a reporting preference.

Scope is tighter than many people assume. A campaign level rule does not affect bidding or reported conversions in other campaigns. The one exception Google names is a portfolio bid strategy, where a change in one campaign can have a small effect on the others sharing that strategy.

Removing a rule is clean. Google states that the system resumes optimising for your current definition of value once the rule is gone, so a rule is reversible in a way that a rewritten conversion value in your tracking is not.

• Rules act at auction time, not as a post hoc correction to reports.
• Campaign level rules stay inside their campaign, apart from the portfolio exception.
• Removal restores the previous behaviour rather than leaving residue.
• Adjustments still apply to non value based campaigns, they are simply not optimised toward.

That last point is easy to miss. Google's reporting documentation notes that adjustments apply to manual, Target CPA and Maximize conversions campaigns too. Only value-based strategies such as Target ROAS actually optimise toward the adjusted number, so a rule on a Target CPA campaign changes your reports while changing nothing about how that campaign bids.

Do Value Rules Change Your Reported ROAS?

Yes, and this is the part that deserves care. Google's documentation states that the same adjusted value is used for bidding and for reporting, which means a multiplier raises the conversion value column without any change to the money that actually arrived in the bank.

Work the arithmetic through. A campaign spends a fixed amount and generates 10,000 in genuine revenue, for a reported return of 4. Apply a 1.5 multiplier to a segment covering half those conversions and the reported value climbs to 12,500.

That lifts the reported return to 5. Revenue did not move, and the efficiency of the account did not improve. The number you report to a client did.

This has two consequences that are worth writing into the process before anyone builds a rule.

1. Rebase the target, do not inherit it. A Target ROAS figure set against unadjusted values represents a different real return once rules inflate the denominator, so an untouched target becomes an effectively looser one.
2. Separate reported value from revenue in your reporting. Keep a view of actual revenue alongside the adjusted conversion value so a rule change never looks like a performance improvement.

None of this makes value rules a bad tool. It makes them a tool whose output has to be read next to a source of truth, which for an ecommerce account is the store's own revenue. The same discipline applies to any blended figure, and the metrics worth watching on an ecommerce account are the place to keep that honest.

Which Campaign Types and Bid Strategies Support Them?

Conversion value rules apply to Search, Shopping, Display and Performance Max campaigns, with Hotel campaigns also listed in Google's setup documentation. Itinerary value rules are a separate variant limited to Hotel and Performance Max campaigns serving travel goals.

On the bidding side, the strategies that optimise toward adjusted values are the value-based ones: Target ROAS and Maximize conversion value, including within Performance Max. If you are structuring a Shopping or Performance Max account around this, the trade-offs in Performance Max for ecommerce and the inventory split logic in Google Shopping campaign priority both affect how much a value rule can actually do.

Table: where conversion value rules apply and where they have no optimising effect.

How Do You Read the Conversion Value Rules Report?

The adjustments appear inside your normal conversion value reporting rather than in a separate report. On the Campaigns page you segment by Conversions and then Value rule adjustment, which splits the total into its original and adjusted parts.

• Original conv. value (rule applied) is the pre-adjustment value of conversions that a rule did change.
• Original conv. value (no rule applied) is the value of conversions that no rule touched.
• Audience, Location, Device or No Condition each show the net adjustment contributed by rules of that type.
• All value adjustment and Value adjustment are columns you can add to the statistics table.

The totals reconcile in a way that is worth knowing. Total conversion value equals the two original figures plus the net adjustments, and total original value is the sum of the two original figures on their own. Google also notes that rule reporting covers all conversions, not only the ones counted in the Conversions column.

For store goals the behaviour differs slightly. All conversion columns include rule adjustments by default, and seeing the unadjusted figure means segmenting by value adjustment and cross-referencing the store visit value or store sales value custom column.

When Are Value Rules the Wrong Tool?

When the system already knows. Google's own documentation points out that Smart Bidding already uses geography, device and first-party audience signals, and that if a segment converts better and that shows in your reporting, Smart Bidding is already accounting for it. A rule layered on top in that situation is restating something the model has, while distorting your reports.

A value rule earns its place when it carries information Google cannot observe from your account. That usually means margin, fulfilment cost, lifetime value or something equally invisible to the auction.

1. Good case: different margin by region. Your reported revenue is the same, but one region costs more to serve, which is a fact no conversion tag communicates.
2. Good case: known repeat rate by audience. A Customer Match segment that reorders predictably is worth more than the first transaction shows.
3. Weak case: one device converts better. Smart Bidding can already see this, and the rule mostly inflates reporting.
4. Weak case: a location with higher conversion rate. Same problem, and it is the single most common reason a rule gets built.

How Are Value Rules Different From Customer Lifecycle Goals?

Customer lifecycle goals are a separate mechanism aimed at who you bid for, not at what a conversion is worth. They cover acquisition modes such as New Customer Value, High Value New Customer and New Customer Only, and retention modes such as Re-engagement and Loyalty Program Members, with support varying by campaign type.

Table: three mechanisms that get confused with one another, and what each actually controls.

What Do You Need Before Using Value Based Bidding at All?

Value rules only matter if the account is running value-based bidding, and Google sets out conditions for that. You need to report two or more different values to your conversion goals, since a single flat value gives a value strategy nothing to optimise against, and Google's guidance is that neither of at least two unique values should be set to zero.

The volume and timing conditions are just as real.

• Target ROAS expects at least 15 conversions in the last 30 days at the conversion tracking level.
• Conversion delays under 7 days after the click are recommended, and if no data arrives within 7 days the ramp up can take months.
• Upload values for 3 weeks, or 1 to 2 conversion cycles, whichever is longer, before switching the strategy on.
• Do not backfill historical value data, because delayed uploads hurt performance.
• Set the initial target from your historical 30 day return, then wait 1 to 2 full conversion cycles before judging it.

Google also advises against repeated target changes inside a single conversion cycle, and against changing a target before all conversions for that period have reported. That rhythm is the same one that makes a fixed review cadence more useful than daily adjustment, and the target itself should sit above whatever your break-even return actually is.

Why Ecommerce Brands Choose Seller Splash

Value inputs get checked before bidding is blamed. A value strategy is only as good as the numbers feeding it. We verify what the account is actually reporting before changing a target, because most ROAS problems are measurement problems first.

Reported value and real revenue stay separate. Where value rules are in play, we keep store revenue alongside adjusted conversion value, so nobody mistakes a multiplier for growth.

Targets get rebased when the inputs change. A target set against one definition of value is meaningless against another. Changing the definition and the target is one decision, not two.

Where Should You Go Next?

• If you are setting a return target in the first place, start with break-even ROAS.
• If the question is what a good return looks like, read what counts as a good ROAS for ecommerce.
• If reporting is the real problem, see the metrics that actually move ROAS.
• If the account runs Performance Max, read Performance Max for ecommerce.
• If Shopping structure is the open question, see Google Shopping campaign priority.
• If the product data underneath is shaky, start with Google Shopping feed optimization.

About the Author

Seller Splash is an ecommerce marketing agency based in New York, working with product brands on Google Ads, Shopping, Merchant Center, paid social and marketplace advertising. Value based bidding and the measurement behind it sit inside that work, which is where the cautions described here come from. More on who we are, or see what the work produced for other product brands.

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