Examples for

Household Math

Whether you're needing to measure ingredients in the kitchen or calculate the sale price of a discounted item, Wolfram|Alpha is the perfect tool for answering math problems encountered in everyday life. Convert between standard and metric units during travels, add or multiply fractions for a baking recipe, calculate the percentage of a purchase to apply a discount or tip, compare different tire sizes and much more.

Measurements & Conversions

Perform computations with kitchen or other common measurements, convert them into any corresponding international unit or estimate the number of objects needed to fill a space, area or length.

Easily scale recipes up or down with precision:

Pack your boxes or your bag as efficiently as possible:

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Simple Fractions

Add, subtract, multiply or divide fractions.

Add fractions:

Do exact arithmetic with fractions:

Linear Equations

Find the solution to a simple linear equation.

Find the solution to a simple linear equation:

Simple Math

Do basic arithmetic calculations including addition, subtraction, multiplication and division.

Do basic arithmetic:

Simple Percentages

Calculate a specified percentage of a number or convert a fraction to a percentage.

Convert a fraction to a percentage:

Calculate a percentage of a quantity:

Compute a discounted price:

Simple Geometry

Get information about geometric shapes.

Compute properties of a plane figure:

Compute properties of a regular polygon:


  • Elementary Math
  • Geometry
  • Packing & Covering of Objects
  • Percentages
  • Plane Geometry
  • Units & Measures
  • Word Problems

    Get the solution to a math word problem.

    Solve a word problem:

    Tire Sizes

    Look up information about tire sizes for cars, bicycles and motorcycles.

    Compare tire sizes:

    Get information about a bicycle tire size:

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