Use the pay raise calculator to determine your pay raise and see a comparison before and after the salary increase. Follow the simple steps. Verkkoat $20 an hour, what is your weekly, monthly, and yearly salary? Input your wage and hours per week to see how much you'll make monthly, yearly and more. Verkkocalculate your biweekly pay using our biweekly pay calculator. Plus, learn how to figure out your pay from an hourly, monthly, or annual wage. Verkkoto calculate, multiply the hourly salary by the number of hours worked in a week and then multiply by 2 weeks. For example, at $20 an hour, 8 hours/day and 5. Verkkoour biweekly salary calculator simplifies the process of converting different pay frequencies into biweekly income. Here's how to use it: Select your pay frequency.