how much postage does my letter need
The first ounce on postage is typically $0.49. Any additional ounce  is around $0.21. You are looking at around $0.70 for postage of  that letter.Just bring a dollar and yo â¦ u should be fine!If you use  a postage meter, there is a 1 cent discount. so the total is $.69.ny additional ounce  is around $0.21. You are looking at around $0.70 for postage of  that letter. Just bring a dollar and yo â¦ u should be fine! If you use  a postage meter, there is a 1 cent discount. so the total is $.69.