About percentages.co.uk
percentages.co.uk is a free UK percentage resource built for students, teachers, parents and professionals. From quick one-off calculations to full GCSE revision, everything on the site is free, requires no sign-up and works on any device.
Our calculators
The site has 51 free percentage calculators organised into five categories.
Basic calculators
Finding percentages of numbers, increases, decreases, changes and differences. The percentage of a number calculator is the most-used tool on the site.
Financial calculators
VAT, discounts, tips, markup, profit margin, pay rises, commission, cashback, equity, basis points, payroll percentages, sales quotas, target vs achievement and income budgeting. The UK VAT calculator handles both adding and removing VAT in one step.
Student calculators
Grade calculators for GCSE, A-Level and UK degrees, plus percent error, test score, win percentage and weight loss tools. The GCSE grade calculator is widely used by students and teachers alike.
Conversion calculators
Fractions, decimals, ratios and percentages converted in every direction, plus percentage to minutes. The fraction to percentage converter shows full workings so you can follow the method.
Science and data calculators
Mass percent, percentage strength, percent water, percent recovery, mole percentage, frequency percentage, overlap percentage, fold to percentage, calendar percentage and percent utilisation. The science and data calculators hub covers laboratory, statistical and operational percentage calculations.
Learn and revise
The site has a full education section covering percentages from KS2 through to A-Level. The learn guides take each topic step by step, from the KS2 percentage guide for ages 7 to 11 right through to advanced percentage topics at A-Level.
The GCSE percentage revision guide covers every topic on the maths GCSE syllabus including multipliers, reverse percentages and compound interest.
Practice question sets include 50 questions at KS2, 75 at KS3, and 150 at GCSE. There is also a free percentage quiz with instant feedback, plus revision resources including formula sheets and revision notes for every key stage.
Free worksheets for teachers
The site has 81 free printable percentage worksheets covering every year group from Year 1 to Year 11, every major topic, all difficulty levels, and all major exam boards including AQA, Edexcel, OCR and Eduqas. All worksheets are free to print and use in the classroom with no sign-up required.
How it works
Every calculator on the site shows full step-by-step workings so visitors understand the method, not just the answer. Whether you are a student learning the technique for the first time or a professional who wants to verify a result, you can follow each calculation from start to finish.
The site is built and maintained in the UK specifically for a UK audience. That means UK contexts throughout: UK VAT rates, UK exam board alignment, UK curriculum coverage from Key Stage 2 to A-Level, and UK English in every guide and calculator.
Privacy
We do not collect, store, or sell your data. All calculations happen entirely in your browser. We do not use cookies for tracking and no account is ever required. Please read our full privacy policy for complete details.
About the company
percentages.co.uk is owned and operated by Resolute Ventures Group Ltd, a company registered in England and Wales (Company No. 17005310). Registered address: Hyde Park House, Cartwright Street, Hyde, SK14 4EH, United Kingdom.
Get in touch
If you have spotted an error, want to suggest a new calculator or worksheet, or have a question, we would be glad to hear from you. Please visit our contact page to send us a message.