Split a total budget across channels by weight and see the spend and share each one receives.
Weights are normalised by their own total, so they do not have to add to 100 — you can express relative priorities and the split still allocates the full budget. Normalising rather than requiring weights to sum to 100 means reallocating between channels never accidentally leaves budget unassigned.
Ad Budget Split
Channel budget = total × channel weight ÷ sum of weights
Channel budget = total × channel weight ÷ sum of weights Weights are normalised by their own total, so they do not have to add to 100 — you can express relative priorities and the split still allocates the full budget.
Normalising rather than requiring weights to sum to 100 means reallocating between channels never accidentally leaves budget unassigned.
This calculator takes 5 inputs: Total budget, Weight given to paid search, Weight given to paid social, Weight given to display and video, Weight given to everything else. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.