Lot values for the different currencies

I am trying to figure out the value as associated with the different currencies, i.e. GBP/USD: $10/pip, EURO/USD: $10/pip, YEN/USD: $8/pip, etc. A friend is wanting to know what the different lots are worth for the different currencies. Any ideas where I would be able to locate that info.?
Thank you

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Thank you for your help.