Although fiction set in the present-day United States tends to use imperial units, fiction set in the future is more likely to instead use the metric system. This may be because it makes things seem more futuristic: scientists use SI units (which is based on the metric system), and - given that most other countries, except Myanmar and Liberia, officially use the metric system - it may be only a matter of time until the United States also changes to metric. Overlaps with Unit Confusion. Examples of The Metric System Is Here to Stay include: