The FOP calculator has a very easy to use interface. All you have to do is to enter your route, fare type, membership type, and your FLY ON service status. Then it will show you the miles and FOPs you will earn on this sector.
|Parameters for JAL FOP Calculator|
And the results will be displayed as followed. First you will get the total number of miles you will earn with this flight sector, with a breakdown to explain how they come up with this number. In this case, sector miles on NRT-LAX flight is 5,458 miles and JMB Diamond will earn 125% bonus miles. So fumitani can earn 12,281 JMB miles on a single flight from NRT to LAX. So a roundtrip NRT-LAX ticket, he will earn 12,281 x 2 = 24,592 JMB miles. More than enough for a one-way economy to business upgrade award with this discounted upgrade promotion.
|Results of JAL FOP Calculator|