PRIVATE PLT OF AN SMT ACFT DEVIATED FROM AN ASSIGNED IFR CLRNC TO MAKE AN EMER FORCED LNDG WHEN BOTH ENGS FAILED DUE TO FUEL STARVATION.

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I WAS ON AN IFR FLT PLAN FROM KISSIMMEE; FL; TO ROGERS; AR. 25 MI FROM ROGERS; I RAN OUT OF FUEL; BOTH ENGS FAILED. AT THIS TIME I BROKE INTO THE CLR; RECOGNIZED AN ARPT AND LANDED. IT SOUNDED LIKE ATC WAS HANDLING ANOTHER EMER AT THIS SAME TIME; MY WORKLOAD WAS HIGH; SO I DID NOT ADVISE ATC OF MY EMER AND ALTDEV. MY FLT PLAN WAS CLOSED ON THE GND. AT TKOF; MY FUEL GAUGES SHOWED 2350 POUNDS OF FUEL. I FIGURED A MAX BURN OF 2000 POUNDS. ACCORDING TO THE FUEL TOTALIZER (SHOWS FUEL BURN); I HAD BURNED 1965 POUNDS OF FUEL WHEN I LANDED. THE FUEL GAUGES STILL SHOWED 200 POUNDS OF FUEL WHEN THEY WERE EMPTY. I BELIEVE THE FUEL GAUGES BECAME MORE INACCURATE AS FUEL WAS ADDED TO THE PLANE. I HAD 350-400 POUNDS LESS FUEL THAN INDICATED AT TKOF. IN ADDITION; THE L FUEL GAUGE ALWAYS READ HIGHER AT HIGH FUEL LEVELS. BECAUSE THE LOW FUEL WARNING LIGHT WOULD COME ON WITH 1 1/4 HRS OF FUEL LEFT; I GOT TO NOT PAYING MUCH ATTN TO IT; WHEN IN REALITY IT WAS TELLING ME THE TRUTH (IE; I ONLY HAD 40 MINS OF FUEL LEFT). MY MISTAKES: 1) SHOULD HAVE BETTER UNDERSTOOD THE SIGNIFICANCE OF THE LOW FUEL WARNING LIGHT WHICH IS SEPARATE FROM THE FUEL GAUGES. PERHAPS A PLACARD IN THE COCKPIT WOULD HELP FOOLS LIKE ME. IF I WOULD HAVE LOOKED AT THE PLTS OPERATING HANDBOOK AND SEEN THAT THIS LIGHT COMES ON WHEN ONLY 150-160 POUNDS (300-320 POUNDS TOTAL) ARE LEFT IN EITHER TANK; THE ERROR IN THE FUEL GAUGES WOULD HAVE BEEN DISCOVERED. THE LIGHT WOULD COME ON AT 300 POUNDS OF FUEL/TANK. 2) THE RED FUEL WARNING LIGHT IS AN EMER PROC WHICH SAYS LAND AS SOON AS POSSIBLE. I PASSED OVER SEVERAL ARPTS. 3) I SHOULD HAVE HAD A GREATER SAFETY MARGIN THAN 45 MINS OF FUEL.