FX Margin Buffer Calculator

Model your USD-equivalent COGS when sourcing in foreign currency. Calculate what margin buffer to build in, stress-test against rate swings, and find your break-even exchange rate.

Free to useCalculator
Sourcing Currency
Changing currency pre-fills the exchange, worst-case and best-case rates with reference rates
Factory cost per unit in source currency
Current spot or forward rate
Freight, duty, 3PL not in foreign COGS
Pricing & Current Margin
FX Buffer & Risk Scenarios
Add to COGS as reserve for rate moves
Unfavorable: fewer foreign units per $1
Favorable: more foreign units per $1

Currency risk in your COGS

Model your USD-equivalent COGS when sourcing in foreign currency. Calculate what margin buffer to build in, stress-test against rate swings, and find your break-even exchange rate.

How it works

  • USD COGS = foreign COGS / exchange rate (1 USD = X units) + other USD costs (freight, duty, 3PL).
  • FX buffer = buffer % x FX COGS in USD, added to COGS as a reserve for rate moves.
  • Scenarios re-price COGS at your worst-case and best-case rates.
  • Break-even rate = foreign COGS / (wholesale price - other USD costs). Below this rate, the product sells at a loss.

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