Personaly, I prefer to count all of my calories by hand since I find it keeps me more involved in my health. The best online calculator I can suggest is found at http://caloriecount.about.com it is a great site and it even offers and i-phone app to make calorie counting even easier on the go.
You could always go online they actually have a nutrition fact sheet on there website at www.mcdonalds.ca They also have nutrition facts on the back of the tray paper.
One can find an online nutrition calculator from the following sites; SelfNutritionData, Myfitnesspal, SparkRecipes, and Tim Hortons' nutrition calculator.
There are several nutrition calculators available online, however the most comprehensive calculator is available from CaloriesPerHour.com at the following location: http://www.caloriesperhour.com/index_food.php
I don't think there is a specific KFC nutrition calculator available. KFC does offer nutritional information. http://www.kfc.com/nutrition/ You could also use a "standard" nutritions calculator: http://www.nafwa.org/the-library/free-calculators%20/kfc-nutrition-calculator.html
This website http://www.balancemindbodysoul.com/balance/campus.asp provides a calculator you can use to find the nutrition facts on any food. It gives you a list of nutrition facts and nutrition totals.
You can find the Kentucky Fried Chicken nutrition calculator on their own website www.kfc.com/nutrition/pdf/kfc_nutrition.pdf. It gives you all the information from calories to carbs.
One can count calories and carbohydrates as a nutrition calculator option. One can do this by looking at the package information of the foods you are eating.
You can find an online car price calculator at www.kbb.com/.
Someone can find a free online graphing calculator at Meta-Calculator. On Meta-Calculator one can find graphing, scientific, matrix, statistics, and programmer's calculators.
You can find a depreciation calculator for a car online at kellybluebook.com.
You can find an online factoring calculator on websites such as Math Warehouse and Tutorvista. You can also find a calculator through both the companies Yahoo and Google.
There are many places online where one can find a carpet calculator. One can find a carpet calculator at popular on the web sources such as Lowe's and The Home Depot.