1 Swedish Krona is worth about $0.14.
It depends on the day, but on an average day there is between 60-100 Kronas in one US Dollar, making the krona worth about 1-2 cents.
i have one and from what i've seen its worth roughly 10 us dollars
That's one Krona. Currently (June 2013) it's about 6 Krona to one USD. Or 10 Krona to one British Pound.
The Kroner is an obsolete monetary unit, so it is a bit like comparing Federal Reserve Notes with Confederate Money.
Your coin is from Iceland and is worth less than one US cent. "Island" isn't the English word island; rather, it's Icelandic for "Iceland".
One cent
The Icelandic krona is very unstable. when this answer was written you could get kr.260 but one year ago you could had kr.160
Aurar is the plural of eyrir, an Icelandic monetary unit worth one hundredth of a krona. Icelandic for Iceland is Island. So a coin that says 'Island 20 aurar' is an Icelandic fifth of a krona.
A US dollar is worth 8.4 Swedish Kroners. The actual answer is 8.43882 but I rounded the answer to get 8.4 Exchange rates change every day, so anything posted here can become rapidly out of date. You'll need to check a site such as www.xe.com for current values.
If it's dated within the last 25 years or so it's a common circulation coin worth face value only, about 12 to 14 U.S. cents. Conversion rates change every day. You can find current figures at many sites. www.xe.com is a very good one.
Ore
The only legal one, sold for $7,590,020.00 in July of 2002