United Kingdom · 2026/27
United Kingdom Calculators
United Kingdom Calculators, 2026/27. Calculators for life, money and tax.
Family & Children
Work & Salary
Salary calculator See your take-home pay after income tax and contributions. 
Social security calculator Estimate employee and employer contributions. 
Hourly to salary calculator Convert between an hourly rate and an annual salary. 
Pay rise calculator How much of a raise you keep after tax and contributions. 
Overtime pay calculator Weekly pay with overtime at time and a half or double time. 
Minimum wage calculator Check your hourly pay against the minimum wage and see the gap. 
Salary inflation calculator See whether a pay rise beat inflation in real terms. Taxes & Contributions
Housing & Property
Stamp duty calculator Work out the SDLT on a home in England and Northern Ireland. 
Mortgage calculator Repayments and amortisation for a home loan. 
Mortgage affordability calculator A rough property budget from your income and deposit. 
Mortgage overpayment calculator Interest saved and years cut by overpaying your mortgage. 
Cost to buy a home calculator Purchase taxes, fees and the total cash needed to buy. 
Square footage calculator Floor area from length and width, in square feet and square metres. 
Rent vs buy calculator Compare the real cost of renting against buying over the years you stay. Health
BMI calculator Body mass index from your height and weight. 
Calorie calculator Daily calories to maintain, lose or gain weight. 
Ideal weight calculator A healthy weight range for your height. 
Due date calculator Estimate a pregnancy due date and how far along you are. 
Ovulation calculator Estimate ovulation day and your most fertile window. 
BMR calculator Basal metabolic rate, the energy you burn at rest. 
Body fat calculator Estimate body fat from tape measurements, the US Navy way. 
Protein intake calculator Daily protein target in grams for your weight and goal. 
Water intake calculator How much water to drink a day for your weight and activity. Auto & Mobility
Finance & Credit
Capital gains tax calculator Estimate capital gains tax for individuals. 
Loan calculator Monthly repayments and total interest on a loan. 
Compound interest calculator Grow a balance with regular contributions. 
Savings goal calculator How long to reach a savings goal, with interest. 
Inflation calculator How prices and spending power change over time. 
Retirement savings calculator Project a retirement pot from regular saving, with employer match. 
Import duty and VAT calculator Customs duty, import VAT and the total landed cost. 
50/30/20 budget calculator Split your take-home pay into needs, wants and savings. 
Emergency fund calculator How big a safety net you need and how long to save it. Everyday & Lifestyle
Percentage calculator Percentages, increases, decreases and differences. 
Date difference calculator Days, weeks and months between two dates. 
Age calculator Exact age in years, months and days from a birth date. 
Tip calculator Work out a tip and split the bill between people. 
Discount calculator Sale price and saving from a percentage off. 
Bill split calculator Split shared costs and see who pays whom. 
Unit converter Convert length, weight, volume, temperature and speed. 
Time duration calculator Add up days, hours, minutes and seconds into one total.