My ratios are similar to yours... I aim for 40-50% carbs, 25-30% fats, and 25-30% protein. Those ratios are just a guide for me, and I enter everything exactly as is. My custom foods are entered right off the nutrition label, and I use the fitday database for all the basics. Protein is protein and fat is fat, whether it came from meat or from pasta. Keep it simple, and you'll get the hang of it. I always aim for my ratios, and if I'm a little off for the day, I'll make little tweaks to my meals to stay on track. Good luck!