Free UK finance calculators

Scottish Income Tax

All six Scottish bands from starter to top rate, with National Insurance and dividend tax.

UK Income Tax

Basic, higher and additional rate for England, Wales & NI, with National Insurance and dividend tax.

Take-home Pay

What you actually keep after tax, National Insurance, pension and student loan.

First-time buyer mortgage

Enter your deposit and property price to see your monthly payment, total interest, and how overpaying cuts your term.

Remortgage

Compare your current deal with a new rate, see your monthly saving and break-even point on switching costs.

Mortgage affordability

See how much you could borrow based on your income and deposit, with monthly repayments at 4×, 4.5× and 5× income.

Stamp Duty & LBTT

SDLT for England and NI, LBTT for Scotland, with first-time buyer relief and second home surcharges.

Savings

Compound Interest

Compare three saving plans side by side: what your contributions and growth rate become over time.

Savings

ISA Allowance Planner

Split your £20,000 across cash, stocks & shares, LISA and innovative finance.

Budgeting

50/30/20 budget planner

Split your take-home pay across needs, wants, and savings to see how your spending compares to the 50/30/20 targets.

100k salary trap

See the 60% effective marginal rate (67.5% in Scotland) between £100k and £125,140, and how much pension reduces it.

Mileage allowance

Claim back business miles at the 55p HMRC rate for a single trip, a week of journeys, or your whole year.

Conversion

Salary to hourly rate

Work out your gross and after-tax hourly rate from your annual salary, with NMW check and student loan support.

Conversion

Percentage Calculator

Find a percentage of a number, what percentage one value is of another, the change between two numbers, or add and remove a percentage.