#TrumpTariffs US President Donald Trump has imposed a 10% tariff on goods from most countries being imported into the US, with even higher rates for what he calls the "worst offenders".

But how exactly were these tariffs - essentially taxes on imports - worked out? BBC Verify has been looking at the calculations behind the numbers.

What were the calculations?

When Trump presented a giant cardboard chart detailing the tariffs in the White House Rose Garden it was initially assumed that the charges were based on a combination of existing tariffs and other trade barriers (like regulations).