Calculators
Cm to Inches Conversion Chart (and Inches to Cm)
1 inch is exactly 2.54 cm. Get the cm to inches formula, quick-reference charts in both directions, a height table in feet and inches, and easy…
Calculators — page 2
Step-by-step explanations of everyday maths: percentages, discounts, dates and conversions.
Calculators articles
Calculators
How to Calculate a Discount: Formula, Examples and Shortcuts
Work out any sale price in seconds. Learn the discount formula, mental maths shortcuts, how to find the discount percentage or the original price…
Calculators
How to Calculate Percentage: Simple Methods, Examples, and Formulas
Every percentage question is a variation on one simple idea. Learn the formulas for percentages of a number, percentage change and discounts — and…