Free everyday calculators
Free Online Calculators for Everyday Life
Numbers in. Answers out. Use fast, practical calculators for money, home, food, travel, study and health, with clear results and plain-English explanations.
21Free calculators
6Categories
30+Step-by-step guides
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Choose what you need to work out
Money & Budget
Budget, take-home pay, bills, freelance rates and runway.
Home & DIY
Paint, wallpaper, flooring and cubic yard estimates for home projects.
Kitchen & Recipes
Scale recipes and convert everyday cooking units.
Travel & Fuel
Estimate fuel use and driving costs before you go.
Student & Career
GPA, CGPA conversion, final grade and AP score estimates.
Health & Life
Due date, ovulation, pregnancy week and age.
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Latest guides
View all guides →- Oven Temperature Conversion: °F, °C, Gas Mark and Fan OvensConvert oven temperatures between Fahrenheit, Celsius and gas mark, with the fan-oven adjustment most charts skip.
- Ounces to Cups: Fluid Ounces vs Weight Ounces (With Charts)Fluid ounces and weight ounces are not the same. Learn which one your recipe means and how to convert ounces to cups correctly.
- How to Convert Baking Pan Sizes (9×13 to 8×8, Round to Square) and Adjust Bake TimeOnly have an 8×8 pan for a 9×13 recipe? Use the surface-area ratio to scale ingredients, then adjust bake time by batter depth.
- Hourly to Salary: How to Convert Your Hourly Rate to Yearly, Monthly & Biweekly PayConvert hourly pay to a yearly, monthly, biweekly and weekly salary with the 2,080-hour formula, a ready chart from $15 to $50 an hour, and fixes for part-time hours and unpaid leave.
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