45cents
94 cents for a one-ounce letter to Israel from the US.
Most stamps will show the value of the stamp somewhere on the design.
The regular US first class stamp (for mailing letters up to 3.5 ounces) is 0.44 cents.
In the United States, US Postal Stamps are rated in 0.01 cent and up; the postage for a first class letter is 0.44 cents (of normal size and weight).