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Free online calculators built for the UK. Income tax, mortgages, savings, health and more — all updated for 2025/26.

Updated for 2025/26 tax year

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Categories

💷Tax & Finance
🏠Mortgage & Property
💰Savings & Loans
💼Salary & Pay
❤️Health & Fitness
🚗Driving & Vehicles
⚡Home & Energy
🔢General

Popular Calculators

Tax

Take-Home Pay
Income Tax
National Insurance
VAT

Mortgage & Property

Mortgage
Stamp Duty
Council Tax
Loan

Salary & Savings

Compound Interest
Pension
BMI
Fuel Cost

Not regulated financial advice. CalcHub.uk is not authorised or regulated by the Financial Conduct Authority (FCA). Information is for general guidance only — consult a Chartered Tax Adviser, Chartered Accountant or FCA-authorised financial adviser before acting on tax, mortgage, investment or pension decisions.

All UK figures use the 2025/26 tax year and are cross-checked against gov.uk reference calculators within ±£1. See our methodology and sources for details.

Verified against HMRCCore calculators cross-checked Sourced from gov.ukEvery figure cited No ads · No sign-upUK-built, calculations stay in your browser

© 2026 CalcHub.uk — All results are estimates for guidance only and do not constitute financial, tax or legal advice.

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England & Wales

Home›Calculators

All UK Calculators

Every CalcHub calculator on one page — 69 free tools covering UK tax, salary, mortgages, savings, pensions, vehicles and household bills. All updated for the 2025/26 tax year using official HMRC, Ofgem and DWP figures.

Most popular

The 12 calculators readers reach for most — start here if you're not sure where to look.

Take-Home Pay Calculator

Calculate your net salary after income tax, National Insurance and student loan deductions.

Stamp Duty Calculator

Calculate Stamp Duty Land Tax (SDLT) for your property purchase in England.

Mortgage Calculator

Mortgage & Property

Calculate monthly mortgage payments, total interest, and full repayment cost.

Income Tax Calculator

Work out how much income tax you owe using the latest 2025/26 UK tax bands.

National Insurance Calculator

Calculate your National Insurance contributions for 2025/26.

Add or remove VAT from any amount. Supports 20%, 5% and 0% UK VAT rates.

Savings & Loans

Project ISA savings growth over time with the UK £20,000 annual allowance.

Pension Calculator

Savings & Loans

Estimate your pension pot at retirement and projected annual income.

Health & Fitness

Calculate your Body Mass Index (BMI) using the NHS BMI classification.

Compound Interest Calculator

Savings & Loans

Calculate compound interest on savings and investments over any time period.

Energy Bill Calculator

Estimate your annual energy bill for gas and electricity based on usage.

Student Loan Repayment Calculator

Calculate monthly student loan repayments for Plans 1, 2, 4 and 5.

Browse by category

8 categories covering every common UK calculation. Click a category title to see all its calculators, or jump straight to a top-pick below.

💷

Tax & Finance

Income tax, NI, VAT, stamp duty and more

→ Scottish Income Tax Calculator
→ P11D / Benefits-in-Kind Calculator
→ Marriage Allowance Calculator

See all Tax & Finance calculators →

🏠

Mortgage & Property

Mortgage payments, stamp duty, rental yield

→ Mortgage Overpayment Calculator
→ Mortgage Calculator
→ Mortgage Affordability Calculator

See all Mortgage & Property calculators →

💰

Savings & Loans

Savings, compound interest, ISA, loans

→ State Pension Forecast Calculator
→ Help to Buy ISA Calculator (Legacy)
→ Lifetime ISA (LISA) Calculator

See all Savings & Loans calculators →

💼

Salary & Pay

Take-home pay, redundancy, maternity pay

→ Notice Period Calculator
→ Statutory Paternity Pay Calculator
→ Child Benefit Calculator (with HICBC)

See all Salary & Pay calculators →

❤️

Health & Fitness

BMI, calories, ideal weight, due date

→ BMI Calculator
→ Calorie Calculator
→ Ideal Weight Calculator

See all Health & Fitness calculators →

🚗

Driving & Vehicles

Fuel costs, MPG, road tax, running costs

→ Electric Car Savings Calculator
→ Fuel Cost Calculator
→ MPG Calculator

See all Driving & Vehicles calculators →

⚡

Home & Energy

Electricity, gas, energy bills, council tax

→ Electricity Cost Calculator
→ Energy Bill Calculator
→ Council Tax Calculator

See all Home & Energy calculators →

🔢

General

Age, percentage, tip, unit converter

→ Net Worth Calculator
→ Budget Planner
→ Inflation Calculator

See all General calculators →

Full list (69 calculators)

Calculate your exact age in years, months, weeks and days.

Health & Fitness

Count alcohol units and calories in any drink based on NHS unit guidelines.

Budget 2025 Impact

See how the Autumn Budget 2025 changes — chiefly the employer NI hike — affect your take-home pay and employer cost.

Benefit Entitlement

Estimate your monthly Universal Credit using 2025/26 standard allowances, child elements and the 55% taper.

Health & Fitness

Calculate your Body Mass Index (BMI) using the NHS BMI classification.

Plan your monthly budget by entering income and expenses across all categories to see your surplus or shortfall.

Mortgage & Property

Analyse the profitability of a buy-to-let investment including tax and costs.

Health & Fitness

Calculate your daily calorie needs based on age, sex, height, weight and activity level.

Capital Gains Tax

Calculate Capital Gains Tax on property, shares and other assets for 2025/26.

Driving & Vehicles

Calculate monthly payments for PCP, HP and personal loan car finance. See total cost and interest paid over the term.

Car Running Cost

Driving & Vehicles

Calculate the total annual cost of running a car including fuel, insurance, tax and servicing.

Carried Interest

Estimate UK tax on private-equity carried interest under the 2024/25, 2025/26 (32% flat) and 2026/27 income-tax rules.

Calculate UK Child Benefit for 2025/26 and the High Income Child Benefit Charge (HICBC) if any household earner is over £60,000.

Estimate your childcare costs and see how much you can save with free hours entitlement and Tax-Free Childcare.

Compound Interest

Savings & Loans

Calculate compound interest on savings and investments over any time period.

Corporation Tax

Calculate Corporation Tax for UK limited companies for 2025/26.

Look up council tax bands and estimate your annual council tax bill.

Credit Card Payoff

Savings & Loans

Find out how long it will take to pay off your credit card balance.

Date Difference

Calculate the number of days, weeks or months between two dates.

Savings & Loans

Compare avalanche (highest APR first) and snowball (smallest balance first) strategies across multiple UK debts.

Calculate tax on dividends received from UK companies for 2025/26.

Electric Car Savings

Driving & Vehicles

Compare EV vs petrol running costs across home and public charging.

Electricity Cost

Calculate the cost of running any electrical appliance per hour, day or year.

Estimate your annual energy bill for gas and electricity based on usage.

Driving & Vehicles

Calculate the fuel cost for any journey based on distance, MPG and fuel price.

Calculate the Gift Aid boost on UK charity donations — 25% top-up from HMRC, plus higher-rate reclaim of up to 25%.

Help to Buy ISA

Savings & Loans

For existing Help to Buy ISA holders: calculate your 25% government bonus and total deposit at first-home purchase.

Holiday Entitlement

Calculate your statutory holiday entitlement in days and hours for full-time and part-time workers in the UK.

Health & Fitness

Find your healthy weight range based on height using multiple formulas.

Work out how much income tax you owe using the latest 2025/26 UK tax bands.

Find out what a sum of money from the past is worth in today's money, or how much prices have risen over time using UK CPI data.

Inheritance Tax

Estimate Inheritance Tax liability on an estate with our UK IHT calculator.

Savings & Loans

Project ISA savings growth over time with the UK £20,000 annual allowance.

Savings & Loans

Model Lifetime ISA contributions with the 25% government bonus. First home purchase mode and retirement mode.

Savings & Loans

Calculate monthly loan repayments, total interest and cost of borrowing.

Marriage Allowance

Calculate the £252/year saving from transferring £1,260 of unused Personal Allowance to your spouse. Plus backdating up to 4 years.

Calculate Statutory Maternity Pay (SMP) for the full 39-week maternity leave.

Check the UK National Living Wage and National Minimum Wage rates for 2025.

Mortgage Affordability

Mortgage & Property

Find out how much you could borrow based on your income and outgoings.

Mortgage & Property

Calculate monthly mortgage payments, total interest, and full repayment cost.

Mortgage Overpayment

Mortgage & Property

See how much you save in interest and how much earlier you can pay off your mortgage with regular overpayments. Plus ERC warnings.

Driving & Vehicles

Calculate your car's fuel consumption in MPG or litres per 100km.

National Insurance

Calculate your National Insurance contributions for 2025/26.

Track your assets minus liabilities to calculate your UK household net worth.

Calculate UK statutory and contractual notice period plus PILON or garden leave pay.

Calculate overtime pay at time and a half, double time or any multiplier.

Calculate the tax cost of UK benefits-in-kind: company car, medical insurance, gym membership and more.

Savings & Loans

Estimate your pension pot at retirement and projected annual income.

Calculate percentages, percentage change, percentage difference and more.

Health & Fitness

Calculate your estimated due date based on your last menstrual period or conception date.

Estimate UK R&D tax credit benefit under the SME scheme, merged RDEC scheme or pre-April-2023 SME rules.

Calculate your statutory redundancy pay based on age, length of service and weekly pay.

Mortgage & Property

Compare your current mortgage deal with a new rate to see monthly savings, total interest saved, and whether remortgaging makes sense.

Mortgage & Property

Calculate gross and net rental yield for buy-to-let properties.

Driving & Vehicles

Calculate Vehicle Excise Duty (VED/road tax) based on fuel type and CO2 emissions.

Salary Converter

Convert between hourly, daily, weekly, monthly and annual salary.

Salary Sacrifice

Calculate how much tax and National Insurance you save by making salary sacrifice contributions to a pension, cycle to work scheme or EV car scheme.

Savings & Loans

Project how your savings will grow over time with regular deposits and interest.

Scottish Income Tax

Calculate Scottish income tax 2025/26 with all 6 bands and compare against the rest of the UK.

Self-Employed Tax

Calculate income tax, Class 2 and Class 4 National Insurance for self-employed and sole traders for 2025/26.

Calculate Stamp Duty Land Tax (SDLT) for your property purchase in England.

State Pension Forecast

Savings & Loans

Forecast your UK State Pension based on qualifying NI years and model the impact of filling gap years with voluntary Class 3.

Calculate UK statutory paternity pay 2025/26 (£187.18/week or 90% of average pay) plus enhanced employer top-up.

Calculate Statutory Sick Pay (SSP) entitlement and how much you will receive when off sick.

Calculate monthly student loan repayments for Plans 1, 2, 4 and 5.

Calculate your net salary after income tax, National Insurance and student loan deductions.

Calculate a tip and split the bill between any number of people.

Convert between metric and imperial units for length, weight, temperature and volume.

Add or remove VAT from any amount. Supports 20%, 5% and 0% UK VAT rates.

All figures use 2025/26 UK tax year rates. For methodology and sources see /methodology/ and /sources/.