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Calcimator

Marketing Attribution Calculator

Calculate multi-touch attribution across marketing channels.

About this calculator

A customer rarely converts from a single ad or a single visit — they touch a brand across search, social, email, and direct visits before finally converting, and attribution modeling exists to divide credit for that conversion sensibly across those channels. This calculator uses linear attribution, the simplest and most transparent multi-touch model: every channel's share of credit equals its share of total touchpoints, with no channel weighted more heavily just because it happened first, last, or somewhere in the middle. Each channel's percentage share of total touchpoints is applied directly to total revenue to produce that channel's attributed revenue, so a channel responsible for 30% of all touchpoints across the customer journey is credited with 30% of total revenue.

Revenue per conversion is a separate, simpler figure — just total revenue divided by total conversions, giving an average deal size across the whole period regardless of channel mix. Linear attribution's main strength is fairness and simplicity: no channel gets arbitrarily dismissed or over-credited based on position in the funnel. Its main limitation is that it treats every touchpoint as equally valuable, when in reality a channel that reliably initiates awareness (often organic search or social) plays a very different role than one that closes the sale (often email or direct), and other attribution models — first-touch, last-touch, or time-decay — exist specifically to weight those different roles differently.

Inputs

$

Results

Organic Attribution %

40%

Paid Attribution %24%
Social Attribution %16%
Email Attribution %12%
Direct Attribution %8%
Organic Attributed Revenue$20,000.00
Paid Attributed Revenue$12,000.00
Revenue Per Conversion$250.00
Social Revenue$8,000.00
Email Revenue$6,000.00
How to Use This Calculator
  1. Enter Total Conversions and Total Revenue for the period.
  2. Enter the number of touchpoints for each channel: Organic Search, Paid Ads, Social Media, Email, and Direct.
  3. Review each channel's Attribution % — its share of total touchpoints.
  4. Check Organic and Paid Attributed Revenue, allocated proportionally by touchpoint share.
  5. Use Revenue Per Conversion to see your average deal size across all channels.

How the result changes with Organic Search Touchpoints

Organic Search TouchpointsOrganic Attribution %
25025%
37533.3%
75050%
1,25062.5%

What each input means

Total Conversions
Total conversions in the period.
Total Revenue
Total revenue from all conversions.
Organic Search Touchpoints
Number of touchpoints from organic search.
Paid Ad Touchpoints
Number of touchpoints from paid ads.
Social Media Touchpoints
Number of touchpoints from social media.
Email Touchpoints
Number of touchpoints from email marketing.
Direct Touchpoints
Number of direct/referral touchpoints.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Total Conversions = 200, Total Revenue = 50000, Organic Search Touchpoints = 500, Paid Ad Touchpoints = 300 = 7 input(s) provided
  2. Calculate Organic Attribution %
    Organic Attribution %
    40 = 40
  3. Calculate Paid Attribution %
    Paid Attribution %
    24 = 24
  4. Calculate Social Attribution %
    Social Attribution %
    16 = 16

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.

Frequently Asked Questions

Why does linear attribution give every channel equal credit per touchpoint?

Linear attribution is built around the principle that no single touchpoint in a customer's journey should be arbitrarily favored — a channel that showed up early to build awareness gets the same per-touchpoint credit as one that appeared right before the conversion. This makes it simple and transparent, though it means it doesn't distinguish a channel's specific role in the funnel the way some other models do.

How is this different from last-touch or first-touch attribution?

Last-touch attribution gives 100% of the credit to whichever channel was involved right before conversion, and first-touch gives all the credit to whichever channel started the journey — both ignore every touchpoint in between entirely. Linear attribution instead spreads credit proportionally across every touchpoint in the journey, which tends to give a more balanced picture of channels that play a supporting role rather than the final closing role.

Why might a channel with fewer touchpoints still be really important to my marketing?

Touchpoint volume alone doesn't capture a channel's strategic role — a channel with relatively few touchpoints might still be the one consistently present right before conversion, functioning as a closing channel even though it doesn't generate as much overall traffic. Comparing linear attribution results against a last-touch view can reveal these lower-volume-but-high-closing-value channels.

Should I shift budget toward the channel with the highest attributed revenue?

Attributed revenue under linear attribution reflects touchpoint volume, not necessarily cost-efficiency or incremental impact, so a channel with high attributed revenue might also carry a high cost per touchpoint that makes it less profitable than a lower-volume channel. Pairing attribution results with channel cost data gives a fuller picture than attributed revenue alone.

Does this calculator account for touchpoints from customers who didn't convert?

No — it only works with touchpoints and revenue from converted customers, so it measures how credit is distributed among channels that contributed to actual conversions, not how effective each channel is at engaging the broader audience that never converted. A channel that generates a lot of top-of-funnel engagement without much direct conversion contribution will look smaller here than its total reach might suggest.

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