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# Converting rectangular coodinates to WCBs in excel spreadsheet

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## Converting rectangular coodinates to WCBs in excel spreadsheet

(OP)
i have written a spread sheet to convert rectangular coodinates to whole circle bearings, using ATAN2, but i always get a minus or a positive bearing from 0(ie north).
i need to somehow convert that to a true whole circle bearing.

i am not very up on excel, can some one help?

### RE: Converting rectangular coodinates to WCBs in excel spreadsheet

If you try this formula in cell G6 referencing D6 and E6 respectively it can be copied down to calculate the other rows

=IF((ATAN2(E6,D6)/PI()*180)<0,360+(ATAN2(E6,D6)/PI()*180),(ATAN2(E6,D6)/PI()*180))

I've used this and it works!

all the best

### RE: Converting rectangular coodinates to WCBs in excel spreadsheet

(OP)
Thanks cherrypicker it seems to work fine

regards bob

### RE: Converting rectangular coodinates to WCBs in excel spreadsheet

Hi Landranger,
I have found a similar spreadsheet that will work out whole circle bearings and distances.  It also displays the WCB as Degrees Minutes and Seconds.
http://www.lichfieldsurveysupplies.co.uk/survey_calculators.html
Regards,
Ian.

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