Income Tax Calculator
Check you're paying the right amount of Income Tax. Use this service to estimate how much Income Tax you should have paid for a previous tax year.
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Resources
Take a look at our online resources. If you would rather have someone check the figures with you, enquire with our Southampton, Portsmouth or Winchester team today for more information.
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Making Tax Digital Ready
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Trusted for over 25 years
These calculators give you an estimate. If the answer matters — a tax bill, a property purchase, a company car decision — talk it through with us before you act on it.
Check you're paying the right amount of Income Tax. Use this service to estimate how much Income Tax you should have paid for a previous tax year.
Open toolBudget for your Self Assessment tax bill if you're self-employed. Enter your estimated weekly or monthly profit to work out your Income Tax and National Insurance.
Open toolWork out how much SDLT you need to pay when buying or transferring land or property, for residential and non-residential transactions.
Open toolCheck your payroll calculations and your employee's National Insurance contributions for the current tax year.
Open toolEstimate how much Income Tax and National Insurance contributions you can expect to pay on your income if you are taxed through PAYE.
Open toolCalculate the company car tax charge based on a car's taxable value and CO2 rating.
Open toolWhat Making Tax Digital for Income Tax means for sole traders and landlords, and the dates it takes effect.
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Regulated & accredited
Why choose Mandair & Co
Although we are a small practice we take a great interest in all of our clients. Each client is allocated a client manager to assist with all your business queries, so we understand your business and its needs.
Help and guidance on an accounting package to suit your business, its needs and your budget. Our trained staff know packages ranging in specification and price, so the software you use actually works for you.
Trading since 1999, with trained staff and the reassurance that your accounting is in good hands. As a firm we are members of, and regulated by, the Institute of Chartered Accountants.
Free initial consultation
Estimates are a useful starting point, but they don't know your circumstances. Book a free consultation and we will tell you what the figure actually means for you.
Est. 1999 · Over 25 years in practice
Tell us where your business is now and we will tell you, plainly, what we would do about it — before you commit to anything.