Most used
Popular right now
The tools most people reach for when they land here.
Mortgage Calculator
Monthly payment + total interest
Salary After Tax Calculator
Take-home pay after tax + NI
Stamp Duty Calculator
UK SDLT on property purchases
Compound Interest Calculator
Long-term investment growth
Income Tax Calculator
PAYE tax for any salary
VAT Calculator
Add or remove VAT
Mortgage Affordability Calculator
How much can you borrow?
BMI Calculator
Body mass index + category
Loan Calculator
Monthly repayment + total cost
Savings Growth Calculator
Regular savings projection
Car Loan Calculator
Monthly car-finance payment
Retirement Savings Calculator
Pot size at retirement
Categories
Browse by goal
Pick a topic — each category opens to a dedicated hub with all related tools.
Property
- Mortgage
- Affordability
- Overpayment
- Stamp Duty
- Rent vs Buy
Tax
- Income Tax
- Salary after Tax
- National Insurance
- VAT
- Corporation Tax
Salary
- Salary Calculator
- Hourly → Salary
- Dividend vs Salary
Investing
- Compound Interest
- ISA
- SIPP
Everyday
- Energy
- Car running cost
- BMI
Guides
- UK Mortgage Overpayments Guide: When to Clear Faster and When to Save Cash
- UK Emergency Fund Guide: How Much to Save, Where to Keep It, and What Comes Next
- Pay Rise Calculator Guide: What a Gross Raise Becomes After Tax, NI and Pension
More categories
6 more specialised hubs beyond the headline topics.
Learn
Recent guides
Background reading to help you pick and use the right tool.
property · Guide
UK Mortgage Overpayments Guide: When to Clear Faster and When to Save Cash
How mortgage overpayments work, when they save the most interest, when early repayment charges matter, and when your cash should stay liquid instead.
reference · Guide
UK Emergency Fund Guide: How Much to Save, Where to Keep It, and What Comes Next
A practical emergency-fund guide covering target sizes, where to keep the money, how to build the buffer, and what to do once it is full.
salary · Guide
Pay Rise Calculator Guide: What a Gross Raise Becomes After Tax, NI and Pension
Turn a gross salary increase into a real take-home figure by checking tax, National Insurance, pension contributions and inflation together.
salary · Guide
UK Tax Code Guide: 1257L, K Codes, Emergency Codes and What to Do
How to read a UK tax code, what common letters mean, why emergency codes happen, and how to check your payslip against the right net pay.
tax · Guide
UK Tax Year 2026/27: Confirmed Rates, Upcoming Changes, Planning Checklist
What’s confirmed for the 2026/27 UK tax year, what’s changing (MTD for Self Assessment, IHT on pensions), and the allowances to lock in before 5 April 2026.
reference · Guide
Financial & Tax Glossary: 50+ Terms Explained
Plain-English definitions for common UK financial and tax terms — APR, AER, LTV, SDLT, PAYE, NIC, ISA, SIPP, CGT, IHT and more.
Blog
From the blog
Comparison reviews, regional round-ups, and quick-look explainers — 62 posts and counting.
guide
How to Start Investing in Stocks: A Complete Beginner's Guide
A step-by-step guide to investing in stocks for beginners — accounts to open, how to choose investments, and how much you need to start.
comparison
Stocks vs ETFs vs Index Funds: Which Should Beginners Choose?
Compare individual stocks, ETFs and index funds on cost, diversification, returns and complexity — and find the right fit for your goals.
tutorial
How Compound Interest Works in the Stock Market
See how compounding turns modest stock investments into real wealth over decades — with reinvested dividends and historical S&P 500 returns.
tutorial
Dollar-Cost Averaging Explained: A Smarter Way to Buy Stocks
How dollar-cost averaging removes emotion from investing — when DCA beats lump-sum, when it doesn't, and how to set it up in any account.
tutorial
How to Read a Stock Chart: A Beginner's Guide to Charts & Trends
Decode candlesticks, moving averages, volume bars and trend lines — the essentials every investor should understand before buying a stock.
comparison
S&P 500 vs FTSE 100: Which Index Has Performed Better?
Compare the S&P 500 and FTSE 100 on long-term returns, dividend yields, sector composition and what each index actually represents.