What does it mean for me? Your questions answered
From Saturday, all goods imported to the US from anywhere in the world will face a 10% “baseline” tariff.
Donald Trump announced higher rates for some countries he singled out as the “worst offenders” for trade.
Our correspondents have been answering your questions about what this means and the impact it could have.
Mike Heafield, 60, in Preston, asks Senior Technology reporter, Graham Fraser, What happens to products – like the iPhone – that are made in China by US companies?
One eye-catching consequence of the tariffs announcement has been the impact on Apple, with its share price falling 7%.
Source: BBC