[Qgis-user] convert the area from 1 sq degrees to hectare

herman palaquium hermanshutt at gmail.com
Sat Aug 7 01:31:20 PDT 2010


glad to see you again

as you know that my places at N-E of the year ( please type buol  
indonesia on the google maps) I STAY THERE

i remember that you give me the answer before, but CAN YOU GIVE  
FORMULA HOW TO CONVERT 1 SQ DEG. TO ...... HECTARE ..?

PLEASE STEP BY STEP FORMULA YOU TYPE IT, FOR I KNOW THE WAY OF FORMULA  
FUNCTION

I HOPE GREATEST THAT KNOW FOR MY STUDY

SALAM HORMAT
HERMAN DARI INDONESIA

On 27 Jun 10, at 0:47, Nicklas Avén wrote:

> Hallo
>
> hmm, is this right Micha. Isn't the size of a sqare degree depending  
> on how far from equator it is. Since the vertical longitudes are  
> convergating to the poles 1 west-east degree is 0 at the pole and  
> about 40000/360 km at the equator which makes the conversion  
> difficult.
>
> /Nicklas
> ----- Ursprungsmeddelande -----
> > On 06/26/2010 03:40 PM, herman palaquium wrote:
> > >
> > > AREA: 2.7e-05
> > > KebunPoly: KebunAmran1
> > > Luas: 0
> > > PERIMETER: 0.024863
> > > Panjang: 0
> > >
> > > please help the area and perimeter unit
> > >
> > The numbers above indicate area: 0.000027 square units.
> > If, by mistake, you projection units is degrees, instead of  
> meters, then
> > this would be 0.000027 square degrees. One sq deg ~= 110 km X 110  
> km, or
> > about 12,000 sq km. So the above would translate to approximately
> > 327,000 sq meters. Does that make more sense?
> >
> > Again, if your units are degrees, not meters, then the perimeter  
> would
> > be around 2,730,000 meters. (110 km/deg X 0.2483 )
> >
> >
> > > my projection is meter
> > >
> > > where is the correct 2,4863 meter
> > >
> > > or 24,863 meter
> > >
> > > or 248,63 meter
> > >
> > > or 2486,3 meter
> > >
> > > or 24863 meter
> > >
> > > or any answer the correct
> > >
> > > and than
> > >
> > > where is the correct area answer ?
> > > 0,27 ha
> > > 2,7 ha
> > > 27 ha
> > > 270 ha
> > > or any answer the correc
> > >
> > >
> > > herman
> > > indonesia
> > > _______________________________________________
> > > Qgis-user mailing list
> > > Qgis-user at lists.osgeo.org
> > > http://lists.osgeo.org/mailman/listinfo/qgis-user
> > >
> > > This mail was received via Mail-SeCure System.
> > >
> > >
> >
> >
> > --
> > Micha Silver
> > Arava Development Co. +972-52-3665918
> > http://www.surfaces.co.il
> >
> >
> > _______________________________________________
> > Qgis-user mailing list
> > Qgis-user at lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/qgis-user
> >
>
>

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