Weight will vary depending on size and thickness. Sample weights for a 10” mattress are listed below:

Twin 38” x 74” 40 lbs
Full 53” x 74” 58 lbs
RV Queen 60” x 74” 63 lbs
Queen 60” x 80” 69 lbs
E King 76” x 80” 88 lbs
Cal King 72” x 84” 88 lbs