Beautiful interface, zero friction. It feels like a paid SaaS product rather than a free calculator site.
Tom WhitfieldProduct Designer, LondonSMART • ACCURATE • INSTANT
The free average calculator that shows the working, not just the answer.
Mean, median, percentages, money, health and time tools — calculated instantly in your browser. Clear results, no account required.
✓ No sign up. No fuss.✓ Used by students & professionals
+ 12.4
7,568.25
÷ 4
7,568.25
789÷456×123−0.=+
HMRC-BASED TAX BANDS • NO DATA STORED • WCAG 2.2 ACCESSIBLE • FAST, FREE CALCULATORS • USED BY UK STUDENTS
CALCULATOR CATEGORIES
Every calculation you need, in one place
Twenty practical tools for maths, money, health, time, business and study.
Average Calculator
Mean, median, mode, range and standard deviation.
Open calculator →Percentage Calculator
Percentage of a value, increase, decrease and difference.
Open calculator →Finance Calculator
Compound growth, future value and interest projections.
Open calculator →Age Calculator
Exact age in years, months, weeks and days.
Open calculator →Mortgage Calculator
Monthly repayments, interest and total borrowing cost.
Open calculator →BMI Calculator
Body mass index using metric or imperial units.
Open calculator →GPA Calculator
Weighted grade point average across modules.
Open calculator →Time Calculator
Add, subtract and average hours, minutes and seconds.
Open calculator →Date Calculator
Days between dates and future date planning.
Open calculator →Unit Converter
Length, weight, volume, temperature and speed conversions.
Open calculator →Tax Calculator
UK income tax and take-home pay estimates.
Open calculator →Loan Calculator
Personal loan repayments and interest cost.
Open calculator →Business Calculator
Margin, markup, break-even point and VAT.
Open calculator →Health Calculator
Calorie needs, BMR and daily hydration targets.
Open calculator →Compound Interest Calculator
See how savings and investments grow over time.
Open calculator →Discount Calculator
Calculate sale price and money saved.
Open calculator →VAT Calculator
Add or remove UK VAT from a price.
Open calculator →Calorie Calculator
Estimate daily calorie requirements.
Open calculator →Salary Calculator
Convert annual salary to monthly or weekly pay.
Open calculator →Currency Converter
Quick currency conversion estimates.
Open calculator →AVERAGE CALCULATOR
Get the answer — and understand it.
Enter values separated by commas, spaces or line breaks. The calculation stays in your browser.
Sum of values÷Number of values=Average
No data is stored or shared.
POPULAR RIGHT NOW
What the UK is calculating today
Live picks from trending, featured, recently added and most-used tools across the site.
WHY CHOOSE US
Built like a product, priced like a favour
AverageCalculator.co.uk is engineered to the standard of the tools you pay for — it just happens to be free.
✓
Accurate results
Formulas verified against published UK standards and peer-reviewed sources.
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Instant calculation
Every result renders as you type — no page reloads or waiting spinners.
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100% free
Unlimited use of every tool, forever. No premium tier or paywalls.
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Mobile friendly
Thumb-first layouts and large tap targets on every screen size.
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Effortless to use
One clear input area, one clear answer, plus the working behind it.
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Private & secure
Calculations run in your browser. Nothing is uploaded or stored.
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No login required
Open a tool and start calculating in under a second.
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Fast performance
Lean code and a performance-first approach to every page.
120+CALCULATORS ONLINE
480KDAILY ACTIVE USERS
32MMONTHLY CALCULATIONS
190COUNTRIES SERVED
TRUSTED BY PEOPLE
Loved by students, analysts and homebuyers
Over two million people a month rely on our tools for decisions that matter.
I run weekly performance reports and the average calculator has replaced a spreadsheet I maintained for six years.
Hannah ReidOperations Analyst, ManchesterMy students use the GPA and percentage tools constantly. They are fast, they show the working, and they do not bury the answer under adverts.
Dr. Peter OyelaranLecturer, University of LeedsThe mortgage calculator matched my broker's figures to the penny. Genuinely the cleanest UK finance tool I have used.
Sofia MarchettiFirst-time buyer, BristolFAQ
Questions people ask before calculating
Everything you need to know about how our calculators work, and how we handle your data.
How do I calculate an average?
Add values together and divide the total by the number of values. The Average Calculator shows the working automatically.
Are the calculators on AverageCalculator.co.uk free?
Yes. Core calculator tools are free to use with no account required.
Do you store the numbers I enter?
No. Calculations are processed in your browser and calculator inputs are not stored by this theme.
Which average should I use — mean, median or mode?
Mean is useful for typical values, median handles extreme values, and mode identifies the most frequent value.
Can I use these calculators on my phone?
Yes. Every calculator is designed for mobile and desktop screens.
Is output suitable for financial or medical decisions?
Results are for general guidance only. Check important decisions with a qualified professional.