Any disability income that is taxable will be taxed at your ordinary marginal rate (which, for most people, is between 10% and 28%). Of course, you could owe state taxes on your disability backpay, but most states don't tax Social Security disability benefits. About a dozen states do tax benefits, however, either the same way as the feds or only if you make over a certain amount of adjusted gross income.
1 Psi = 0.0689475729 Bar. Psi is defined as 1 pound of force per square inch. It is the primary pressure unit in united states and widely used in all kinds of applications. 1 pound per square inch (psi) equals to 6 894.75729 pascals.
Note that the earlier IUAPC definition of STP to 273.15 K and 1 atm (1.01325 105 Pa) is discontinued. 1 Pa = 10-6 N/mm2 = 10-5 bar = 0.1020 kp/m2 = 1.02x10-4 m H2O = 9.869x10-6 atm = 1.45x10-4 psi (lbf/in2). Standard volume of 1 mole of an ideal gas at STP is 22.4 liters.