Free Financial Tools

Free UK financial tools

Calculators built for UK money

Interactive calculators built specifically for UK savers, homeowners, freelancers and investors. Free to use, no sign-up needed for the basic results — and we’re shipping new ones every few weeks.

12
Tools live
£0
To use
UK
Tax & rules
🏠
Property
Mortgage & Stamp Duty
Calculate monthly repayments, total interest paid, and the stamp duty due on any UK property purchase.
StatusAvailable now →
💼
Income
Take-Home Pay Calculator
Convert your gross salary to net pay including income tax, National Insurance, student loan and pension contributions.
StatusAvailable now →
🧾
Business
VAT Calculator
Quickly add or remove VAT at 20%, 5% or 0% — built for UK freelancers, small businesses and sole traders.
StatusAvailable now →
📊
Budgeting
Personal Budget Planner
Map your monthly income against essentials, lifestyle and savings — see exactly where every pound goes.
StatusAvailable now →
🎯
Savings
Savings Goal Calculator
Work out how long it takes to reach any savings target based on monthly contributions and your interest rate.
StatusAvailable now →
📈
Investing
Compound Interest Calculator
See how an ISA, pension or general investment grows over decades with reinvested returns and regular contributions.
StatusAvailable now →
👴
Retirement
Pension Pot Projector
Estimate the size of your pension pot at retirement based on workplace contributions, salary growth and investment returns.
StatusAvailable now →
🏦
ISA
ISA Allowance Tracker
Plan how to split the £20,000 annual ISA allowance across Cash ISA, Stocks & Shares ISA, Lifetime ISA and Innovative.
StatusAvailable now →
💳
Debt
Credit Card Payoff Calculator
Compare minimum payments vs accelerated repayment and see exactly how much interest you’ll save.
StatusAvailable now →
💷
Debt
Loan Repayment Calculator
Work out monthly payments and total cost on personal loans by APR, term length and any early-repayment plan.
StatusAvailable now →
📉
Inflation
Inflation Adjuster
See what £100 today will be worth in 5, 10, 20 or 30 years at different UK inflation rates — and what you’d need to keep up.
StatusAvailable now →
🔑
Property
Rent vs Buy Calculator
Find the break-even point where buying a UK home becomes cheaper than renting based on prices, deposit and mortgage rates.
StatusAvailable now →

Be first to try new tools

All 12 calculators are live and free to use. We’re always building more — drop your email and we’ll send a short note when the next one lands. No spam.

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