Everyday & Lifestyle Calculators
Tips, splitting bills, gas mileage and the everyday math that comes up at home.
- Tip CalculatorCalculate the tip and total on a bill, and split it evenly between any number of people, with rounding options.
- Discount and Sale Price CalculatorCalculate the sale price and savings from a percent off, stack two discounts, or find the percent off from the original…
- Sales Tax CalculatorAdd sales tax to a price, remove it from a tax-included total, or find the tax rate from the price and total.
- Unit Price CalculatorCompare unit prices for up to four package sizes to find the best deal, in price per ounce, pound, liter, count or any…
- Gas Trip Cost CalculatorEstimate the fuel cost of a road trip from distance, fuel economy and gas price, with round trip and cost per person.
- Electricity Cost CalculatorEstimate the electricity cost of an appliance from its watts and hours of use, or estimate a monthly bill from kWh used.
- Water Bill CalculatorEstimate a water and sewer bill from usage in gallons or CCF (hundred cubic feet), per-unit rates and fixed charges.
- GPA CalculatorCalculate your semester GPA from letter grades and credit hours on a 4.0 scale, and your new cumulative GPA.
- Grade CalculatorCalculate a test or assignment percentage and letter grade from points earned and points possible, or a weighted class…
- Final Exam Grade CalculatorFind the score you need on your final exam to reach a target class grade, given your current grade and the final’s…
- Dog and Cat Age CalculatorConvert your dog’s or cat’s age to human years using veterinary association guidelines (AVMA for dogs, AAHA/AAFP for…
- Subscription Cost CalculatorAdd up your subscriptions billed weekly, monthly, quarterly or yearly to see the total cost per month, per year and…