How Is a Pregnancy Due Date Calculated?
Naegele's rule, cycle length, ultrasound dating and why few babies arrive on their exact due date.
Metric vs. Imperial in Canada: Everyday Conversion Cheat Sheet
Why Canadians mix metric and imperial, and the conversions you actually need for height, weight, cooking, driving and home projects.
How to Calculate Hours Worked and Overtime in Canada
Count your hours correctly, convert minutes to decimals and understand overtime rules by province.
How to Calculate a Discount and Sale Price (With Sales Tax)
Simple formulas for percent off, stacked discounts, original price and sales tax, with Canadian examples.