To convert 110 pounds to kilograms, you can use the conversion factor of 1 pound being approximately equal to 0.45 kilograms. So, for 110 pounds, you would multiply 110 by 0.45, which gives you around 49.5 kilograms. This should be accurate enough for your fitness plan, but if you need a more precise conversion, you can use a calculator or an online conversion tool to get the exact value, which is approximately 49.895 kilograms.