Finding out your partner's ring size can be a tricky part. The most common methodis to ask your partner’s friends or family to find out the precise size. If this optiondoesn't work for you, consider borrowing one of your partner’s rings and procurethe size from there.If you can’t find out the exact ring size, get a measurement of the circumference ofthe ring finger in millimeters, then use a standard ring size chart to get the Indianring size equivalent.