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25 calculators
Take-home pay
See how much of your salary reaches your pocket after Income Tax and National Insurance.
Income Tax
Estimate annual employment Income Tax, your allowance and your effective tax rate.
National Insurance
Estimate employee Class 1 National Insurance from an annual salary.
VAT
Add VAT to a net amount or remove VAT from an inclusive price.
Stamp Duty
Estimate residential Stamp Duty Land Tax in England and Northern Ireland.
Corporation Tax
Estimate tax on company profits, including standard marginal relief.
Dividend tax
Estimate 2026/27 dividend tax alongside other taxable income.
Mortgage
Estimate monthly repayments and total interest on a repayment mortgage.
Loan repayment
Work out a fixed monthly payment and the overall cost of a loan.
Compound interest
See how an initial amount grows with interest on interest.
Savings
Explore the effect of regular monthly deposits on your savings.
Credit card payoff
Find how long a fixed monthly payment takes to clear a balance.
Mortgage affordability
Explore a simple income-multiple estimate of a home-buying budget.
Percentage
Find any percentage of a number in a couple of seconds.
Percentage change
Measure an increase or decrease between two positive values.
Discount
Find the sale price and exactly how much you save.
Tip & bill split
Add a tip and split the total evenly between people.
Fuel cost
Estimate the fuel needed and cost of a journey.
Length converter
Convert metres, kilometres, centimetres, miles, feet and inches.
Age
Calculate completed years of age and days between a birth date and another date.
Date difference
Count the days or weeks between any two calendar dates.
Time duration
Find the hours and minutes between two times, including overnight.
Profit margin
Find your gross profit and the percentage of revenue you keep before overheads.
Markup
Turn a cost and markup percentage into a selling price.
Break-even
See how many units you need to sell to cover fixed and variable costs.
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