Finance Calculators
Whether you're buying your first home, paying off debt, or planning for retirement, guessing isn't a strategy. These finance calculators give you exact numbers — monthly mortgage payments, compound interest growth, loan costs, take-home pay — so you can make decisions with confidence. Every calculator uses real UK tax bands and rates where applicable, and none of them require sign-up or personal details.
Most popular
Calculate your monthly mortgage payments, total interest, and total cost of your...
Compound Interest CalculatorCalculate how your UK savings, ISA, LISA or pension grow over time with compound...
Loan CalculatorCalculate monthly loan repayments, total interest, and total cost for personal l...
Mortgage Calculator
Calculate your monthly mortgage payments, total interest, and total cost of your home loan.
Compound Interest Calculator
Calculate how your UK savings, ISA, LISA or pension grow over time with compound interest. Models lump sums and monthly contributions inside the £20,000 ISA allowance and 2025/26 tax wrappers.
Loan Calculator
Calculate monthly loan repayments, total interest, and total cost for personal loans, car finance, and more.
Salary Calculator
Convert your salary between yearly, monthly, weekly, daily, and hourly rates. See your take-home pay after tax.
VAT Calculator
Add or remove VAT from any amount. Supports UK standard rate (20%), reduced rate (5%), and custom rates.
Savings Calculator
Calculate how your UK savings will grow over time with regular deposits, AER, and compound interest. ISA, easy-access, notice and fixed-rate bond projections.
Investment Return Calculator
Calculate the future value of your investments based on initial investment, regular contributions, and expected rate of return.
Hourly to Salary Calculator
Convert a UK hourly wage to an annual salary, or an annual salary to an hourly rate. Built around the National Living Wage, Real Living Wage, and the 12.07% holiday pay rule for zero-hours workers.
Budget Calculator
Use the 50/30/20 budget rule to allocate your after-tax income to needs, wants, and savings.
Retirement Calculator
Project how much your retirement savings will grow and estimate whether you are on track to meet your retirement income goal.
Credit Card Payoff Calculator
Calculate how long it will take to pay off your credit card balance and how much total interest you will pay.
Simple Interest Calculator
Calculate simple interest on a principal amount using the formula I = P × r × t. Find total interest earned or owed.
Inflation Calculator
UK inflation calculator using ONS CPI data. See exactly how much purchasing power your pounds have lost between any two years from 2020 to 2025, and adjust salaries, savings, pensions and house prices for real-terms value.
Net Worth Calculator
Calculate your total net worth by adding up all your assets and subtracting all your liabilities. Track your financial health over time.
Effective Tax Rate Calculator
Calculate your UK effective tax rate by dividing total tax paid by your gross income. Compare your real tax burden to your marginal rate, including the 60% trap between £100,000 and £125,140.
Frequently Asked Questions
Are these finance calculators accurate for the UK?
Yes. Our mortgage, salary, stamp duty, and tax calculators use current UK rates and thresholds including 2025/26 tax bands, NI rates, and SDLT bands.
Do I need to create an account?
No. Every calculator is completely free and works instantly — no sign-up, no email required. Your calculations stay private in your browser.
Can I compare different financial scenarios?
Yes. Our mortgage calculator includes a built-in comparison mode that lets you compare up to three scenarios side by side with different rates and terms.
What Can You Calculate?
The Mortgage Calculator calculate your monthly mortgage payments, total interest, and total cost of your home loan.
The Compound Interest Calculator calculate how your UK savings, ISA, LISA or pension grow over time with compound interest. Models lump sums and monthly contributions inside the £20,000 ISA allowance and 2025/26 tax wrappers.
The Loan Calculator calculate monthly loan repayments, total interest, and total cost for personal loans, car finance, and more.
The Salary Calculator convert your salary between yearly, monthly, weekly, daily, and hourly rates. See your take-home pay after tax.
The VAT Calculator add or remove VAT from any amount. Supports UK standard rate (20%), reduced rate (5%), and custom rates.
The Savings Calculator calculate how your UK savings will grow over time with regular deposits, AER, and compound interest. ISA, easy-access, notice and fixed-rate bond projections.
The Investment Return Calculator calculate the future value of your investments based on initial investment, regular contributions, and expected rate of return.
The Hourly to Salary Calculator convert a UK hourly wage to an annual salary, or an annual salary to an hourly rate. Built around the National Living Wage, Real Living Wage, and the 12.07% holiday pay rule for zero-hours workers.
The Budget Calculator use the 50/30/20 budget rule to allocate your after-tax income to needs, wants, and savings.
The Retirement Calculator project how much your retirement savings will grow and estimate whether you are on track to meet your retirement income goal.
The Credit Card Payoff Calculator calculate how long it will take to pay off your credit card balance and how much total interest you will pay.
The Simple Interest Calculator calculate simple interest on a principal amount using the formula I = P × r × t. Find total interest earned or owed.
The Inflation Calculator uK inflation calculator using ONS CPI data. See exactly how much purchasing power your pounds have lost between any two years from 2020 to 2025, and adjust salaries, savings, pensions and house prices for real-terms value.
The Net Worth Calculator calculate your total net worth by adding up all your assets and subtracting all your liabilities. Track your financial health over time.
The Effective Tax Rate Calculator calculate your UK effective tax rate by dividing total tax paid by your gross income. Compare your real tax burden to your marginal rate, including the 60% trap between £100,000 and £125,140.
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