Conversion Guides
Plain English articles on units of measurement — where they came from, how to convert between them, and when each one actually matters.
Metric vs Imperial: Why Two Systems Still Exist and How to Switch Between Them
The history of both measurement systems, where each is used today, and the most common conversions you'll actually need.
Read articleCelsius vs Fahrenheit: A Plain English Guide to Temperature Conversion
The formula, the history, key reference temperatures to memorise, and a mental shortcut for quick estimates.
Read articleHow to Read a Recipe from Another Country (and Get the Measurements Right)
Cups, tablespoons, fluid ounces, oven temperatures — a complete guide to cooking from international recipes without getting the units wrong.
Read articleKitchen Measurement Tips: Getting Accurate Results Without a Fancy Scale
Why measuring cups are less reliable than they look, how to use a kitchen scale correctly, and the key weight-to-volume conversions for common ingredients.
Read articleKilograms vs Pounds: A Complete Weight Conversion Guide
Exact formulas, conversion tables, mental arithmetic shortcuts and context on where each unit is used — for body weight, groceries, gym lifts and more.
Read articleWhat Is a Stone in Weight? The UK's Unusual Unit Explained
Where the stone came from, why it's still widely used in the UK for body weight, and how to convert it to kilograms and pounds.
Read articlekm/h, mph and Knots: Speed Units Explained
Why does aviation still use knots? What does "10 m/s wind" feel like? A clear explanation of the four main speed units and how to convert between them.
Read articleLitres, Gallons, Pints and Cups: Understanding Volume Units
Why a US pint is smaller than a UK pint, the difference between US and Imperial gallons, and a complete reference table for all common volume units.
Read articleHow Big Is a Hectare? Land Area Measurements Explained
Hectares, acres, square metres and square feet — with real-world comparisons (football pitches, city blocks, parks) to help you picture the scale.
Read articleInches to Centimetres: The Complete Length Conversion Guide
The exact formula, reference tables for height and screen sizes, clothing and fabric conversions, and a mental shortcut for quick estimates.
Read articleRunning in Miles vs Kilometres: Distance and Pace Conversion Guide
Race distances in both units, pace conversion tables (min/km to min/mile), treadmill speed conversions, and why the same route looks different in different units.
Read articleData Storage Explained: From Bits to Terabytes (and Why 1 TB Isn't Really 1 TB)
A clear guide to bits, bytes, KB, MB, GB and TB — and why the size on the box never matches what your operating system shows.
Read articleMoving Abroad? A Practical Guide to Understanding Local Units of Measurement
From road speed limits to grocery packaging to body weight — the unit differences that catch people out when relocating, with country-specific notes.
Read article