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In 1974, 7-Up became the first American soft drink to use the metric measurement system. The move presented a massive marketing opportunity due to the then-national interest in adopting the metric system.

The rebranding coincided with Congress passing the Metric Conversion Act of 1975, which sparked official metric-conversion efforts. 7-Up participated in these efforts by producing Metric Education Kits for distribution in U.S. schools. This interest in metric system adoption declined during the early 1980s, but 7-Up and other sodas continue to use metric instead of imperial measures.   


Baxter, Annie. (2017, October 10). "Why does soda come in liters and milk in gallons?" Retrieved from

Department of Commerce, National Bureau of Standards. (1977). Report of the 61st National Conference on Weights and Measures, 1976.

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