Becky Kleanthous
Content WriterBecky Kleanthous is a writer with a background in education and linguistics.
A qualified teacher with a Master’s degree in Education, Becky enjoys the challenge of writing about numbers for The Calculator Site. Her linguistics past gives her a special interest in the origins of mathematical terminology, and how units and labels vary by national variety of English.
Becky lives in Edinburgh with her husband, child, cat and dog (which sounds so simple that they may as well be lined up outside a square house drawn in crayon, with a triangle roof and a plume of smoke billowing from the chimney).
Becky's most recent articles

What is the Difference Between Nominal, Effective and APR Interest Rates?
Learn all about the differences between the most common types of interest rate and how they might affect your loan or investment.. 
How Long Does it Take to Walk a Mile?
Find out how long it might take you to walk a mile at a relaxed, normal or fast pace. 
How Much is a Ton?
Find out how big a ton is, both in weight terms and in monetary terms.. 
What is Financial Independence, Retire Early (FIRE)?
Learn about the movement followed by committed savers to retire far earlier than the standard retirement age. 
How Long Would it Take to Walk Around the World?
Discover how long it might take you to walk around the world via the equator or through the poles. 
How Much Does a Gallon of Water Weigh?
Find out how much a gallon of water weighs and why. A reference chart and conversion calculator are also available. 
How Many Cubic Feet is my Refrigerator?
Find out how to work out the cubic feet measurement of your refrigerator with this handy guide. 
How to Calculate Net Income (With Examples)
Learn how to calculate net income from your sales revenue and expense figures with this easy guide. 
Density Formula  How To Calculate Density
Learn all about the formula for density and how you calculate density by dividing the mass figure by the volume. 
How to Calculate Percentages
Learn how to calculate percentage increases and percentage decreases with this article.. 
How Many Meters Are in a Mile?
Find out how many meters/metres there are in a mile and why. Also, use the miles to meters/metres conversion chart and calculator. 
How Big Is A Hectare?
Learn how big a hectare is with our simple guide, including explanation, figures and graphical examples.. 
PEMDAS Explained  How Does PEMDAS Work?
Learn all about PEMDAS, how it works and how the order of operations helps you solve your math calculations.. 
US Gallons And Imperial Gallons  Why Are They Different?
Find out the reasons why the US gallon is 20% smaller than its imperial cousin. 
How Many Grams Of Sugar Are In a Teaspoon?
Learn all about teaspoon sizes (UK and US) and how to convert grams to teaspoons and teaspoons to grams.. 
How Many Cubic Feet Are In a Yard?
Find out how many cubic feet there are in a cubic yard, with diagrams to assist explanation.. 
Profit Margin Formula  Explained
Learn about the profit margin formula and how to calculate the profit margin for your product or business. 
How Many Beers Are In a Keg?
A guide to the different keg sizes available and the amount of beer that they hold. Perfect for those planning parties!. 
How Many Feet Are In a Mile?
Find out how many feet there are in a mile and why. Also, use the miles to feet conversion chart. 
LED Light Bulbs  Why Should You Switch?
Switching to LED light bulbs can not only save you money on your energy bills but also help save the planet. Learn more in this featured article. 
How To Calculate WHR (WaisttoHip Ratio)
Learn all about WHR, how to calculate yours and what your WHR measurement means. 
Meters And Metres  What's With The Spelling?
Find out why Americans spell the unit 'meters' and British people spell it 'metres', in this featured article.. 
How Many Weeks Are In a Year?
Learn all about a year in the Gregorian calendar and how many weeks make up a year. 
How Many Grams Are In a Cup?
Learn all about the different sizes of cup (US, UK and worldwide) and how to convert cups to grams.. 
How Much Is a TRILLION?
Learn all about the trillion and how much a trillion is, with graphics and video.. 
How Much is a BILLION?
Learn about how much a billion is and how to easily visualise a billion dollars or pounds. 
How To Calculate Your BMR
Learn all about BMR (basal metabolism rate), how to calculate your own BMR and how it can be used to aid weight loss.. 
How To Convert a Decimal To a Fraction
Learn how to convert a decimal number into a fraction using this simple guide.. 
How To Measure For a New Floor
Learn how to calculate how much flooring you might need for a new tile, hardwood or laminate floor.. 
How To Add, Subtract, Multiply And Divide Fractions
Learn how to perform addition, subtraction, multiplication and division on fractions with this guide..