A millimetere os one tenth of a centimetre so 160mm is 16cm. the reason it is milli-metre is because 'milli' is one millionth so it is one millionth of a metre thus forming millimetre
a centimetre is one one hundredth of a metre 'centi' being the word of a hundredth
160mm
diameter multiply by 20 times example: 8mm*20=160mm
Synonyms for BIG are large or important; others are:behemothbulkycolossalcommodiouseminentgiganticheavyhugehumongousimmensejumbolongmassivemomentouspowerfulprodigiousprominentsignificantsizablesubstantialtalltitanicvastvoluminousweightywideSynonyms for big include:largelargerlargesttall (if big refers to height)heavy (if big refers to weight)chunky (ex. size of a big box)Some synonyms for big are: BehemothbulkyColossalCommodiouselephantineenormousgargantuangiantGiganticgreatgrandhighhugeHumongousimmenseimportantJumbolargeMassiveProdigioussizablesubstantialSupremetallTitanic
big
It si pretty big