Money

Want to know what your air conditioner, space heater or gaming PC really adds to the power bill? Enter the appliance’s wattage (printed on its label or power brick), how many hours a day it runs, and the price you pay per kilowatt-hour (check your utility bill; the US average is about 17 cents). Tap a preset to fill in a typical wattage. The result shows the estimated cost per day, month and year, plus the kWh used. Real usage varies with thermostat settings and cycling, so treat this as an estimate. ...

Comparing a job that pays by the hour with one that quotes a yearly salary? Enter an hourly rate to see the equivalent weekly, monthly and annual gross pay, or switch to “Salary to hourly” and enter a yearly figure to get the hourly rate. Hours per week defaults to 40 and weeks per year to 52; change these if you work part time, get unpaid time off, or want to account for holidays (for example 50 weeks). All figures are gross, before taxes, benefits and deductions. Overtime, bonuses and tips are not included. ...

Enter your bill amount, choose a tip percentage (or type your own), and set how many people are splitting the bill. The calculator instantly shows the tip, the total, and what each person pays. Turn on “Round up per person” if you want everyone to pay a whole-dollar amount with no loose change. Works for restaurants, delivery, taxis, salons, or any situation where you tip. All math runs in your browser; nothing is sent anywhere. ...