Weighted Average Cost an inventory valuation method that calculates a single average cost per unit across all purchases during a period. Simpler than FIFO but less precise for individual batch tracking.
Dashboardly calculates Weighted Average Cost from your live TikTok Shop data — pulling actual orders, fees, refunds, and returns so the number you see matches your P&L.
Simpler to calculate than FIFO. IRS accepted. Best for sellers with stable, similar pricing across batches.
WAC = Total Cost of All Units / Total Units Available
TikTok's native reports use attributed metrics with click- and view-through windows. Dashboardly calculates Weighted Average Cost from actual order revenue, deducting refunds and returns for a truer number that matches your real P&L.
Weighted Average Cost is a leading indicator — check it daily if you're running ads or running pricing experiments, weekly otherwise. Dashboardly tracks Weighted Average Cost automatically so you don't have to pull exports.
An inventory valuation method that calculates a single average cost per unit across all purchases during a period. Simpler than FIFO but less precise for individual batch tracking.
(100 units × $5) + (100 units × $6) = $1,100 / 200 units = $5.50 WAC
Simpler to calculate than FIFO. IRS accepted. Best for sellers with stable, similar pricing across batches.
An inventory valuation method that calculates a single average cost per unit across all purchases during a period. Simpler than FIFO but less precise for individual batch tracking.
Dashboardly connects to your TikTok Shop and calculates this metric plus 30+ others per SKU. No spreadsheets. No manual math.
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