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The Salary Calculator

About The Salary Calculator

Some information about the April 2017 budget figures used to generate the answers displayed in The Salary Calculator:

Income Tax

Personal Allowance11,500
Income Limit100,000
  
Blindness Allowance2,320
Married Rebate844.50
  
Tax above personal allowance
0 - 33,50020%
33,501 - 150,00040%
over 150,00045%

The Salary Calculator uses Income tax information from April 2017 to calculate the deductions made on a salary. Taxable income is salary over and above the tax allowance for your circumstances.

From April 2016, tax payers of all ages have the same default tax-free personal allowance of 11,500.

From April 2010, those earning over 100,000 have their personal allowance reduced - by 1 for every 2 they earn over 100,000 until their allowance reaches zero, regardless of age. In the case of this reduction of personal allowance, the reduction is calculated using your adjusted net income, which is your gross income reduced by deductions such as pension contributions or charitable donations.

Your personal allowance may be different from the default, as described in the "Tax Codes" section below.

Blind people get an extra 2,320 on their tax allowance. Married people over the age of 82 receive a tax rebate, after other deductions have been made, of 844.50 - although this rebate can be reduced if your income is sufficient, to a minimum of 326.

Any taxable income (i.e. that income above the personal allowance) up to 33,500 is taxed at 20%, from 33,501 to 150,000 is taxed at 40% and taxable income over 150,000 is taxed at the rate of 45%. The 10% "Starting Rate" of income tax was removed in the April 2008 budget.

Tax Codes

The table above right shows the default personal allowance as described in the previous section. However, in some circumstances HMRC may adjust your personal allowance, often because of benefits like a company car or private healthcare. They do this by providing your employer with a tax code which indicates what your personal allowance should be. You can enter this tax code into The Salary Calculator to get a more accurate calculation of your take-home pay.

The usual effect of such an adjustment would be to lower your personal allowance, meaning that you pay tax on more of your income. If you receive benefits such as private healthcare or a company car through your employer, you pay more tax on your salary so that the value of these benefits is also taxed.

Tax codes usually indicate the personal allowance by including a number which is the personal allowance divided by ten. The standard code 1150L indicates a personal allowance of 11,500.

From April 2016, tax codes can start with the letter S, which indicates that you pay the Scottish Rate of income tax. At the moment, the total amount of income tax paid is the same as for non-Scottish tax payers, but a proportion of the tax goes directly to the Scottish government rather than to the UK government.

National Insurance

NI code A
Below 157/week0%
157 - 865/week12%
Above 865/week2%

National Insurance code A is applied to most employees who are not paying into a pension, or if your pension is not "contracted-out". If your gross income (ie before tax) is less than 157 per week, you will make no National Insurance contributions. Gross earnings between 157 and 865 per week are charged at 12%. Any earnings over 865 per week are charged at 2%.

If you are receiving the State Pension, you do not have to pay National Insurance. For the purposes of The Salary Calculator, we have simplified this so that if you tick the "No NI" box, National Insurance Contributions are zero.

From April 2016 it is no longer possible to "contract out" of the second state pension - meaning that the reduced NI code D is no longer applied. If you previously paid band D NI you will pay band A NI from April 2016.

Student Loan

Plan 1
Below 17,7750%
Above 17,7759%
Plan 2
Below 21,0000%
Above 21,0009%

Student Loans are repaid with different methods depending on when you started the course for which you took out the loan, and where you lived. If you started the course on or after 1st September 2012 and lived in England or Wales, you will repay under "Plan 2". If you lived in Scotland or Northern Ireland, and/or started the course before 1st September 2012, the loan will be repaid under "Plan 1".

Plan 1 loans are repaid at a rate of 9% on any gross earnings over 17,775 per annum. Plan 2 loans are repaid at a rate of 9% on any gross earnings over 21,000. It is possible to repay under both schemes, if you have studied multiple courses. In this case your total deductions are the same as if you had only a Plan 1 loan, where deductions between the Plan 1 and Plan 2 thresholds go towards repaying your Plan 1 loan, and deductions above the Plan 2 threshold go towards repaying your Plan 2 loan.

More information is available on the Student Loan Repayment website.

If you receive childcare vouchers, the gross amount used to calculate Student Loan liability is reduced by the voucher amount (up to the limits described in the Childcare Voucher section below), reducing your repayment amount.

Pension Contributions

The Salary Calculator supports 3 different types of pension. Pension contributions are calculated by deducting the percentage rate you enter into the "Pension" field from your standard salary (not including overtime). This is an estimate - each employer calculates "pensionable pay" differently and so it may not exactly match The Salary Calculator. More information on The Salary Calculator blog. How the pension contribution affects your take-home pay depends on the type of pension you are paying into.

There is an annual limit you can pay into a pension scheme and still get these tax benefits. If you pay more into your pension than this limit, you may be liable for additional tax. The limit is currently 40,000.

Employer or Occupational Pension Schemes

You don't pay tax on these pension contributions, so your "taxable income" for Income Tax (see above) is reduced by the amount you pay to your pension. National Insurance contributions used to be reduced if you were paying into a contracted-out pension, but from April 2016 this no longer applies.

Salary Sacrifice Pension Schemes

Increasingly popular, these schemes require you to contractually reduce your salary, with the difference being paid into a pension scheme. Since your salary has been reduced, your income tax and National Insurance contributions are also reduced, which the calculator does by deducting your pension contribution before working out income tax and National Insurance. It was unusual for salary sacrifice pension schemes to involve contracting out, which is why the calculator disables this by default.

Personal Pension Schemes

If you pay into a personal pension scheme, your employer will deduct income tax and National Insurance as before. However, HMRC will pay into your pension scheme an amount equal to the basic rate (20%) tax on your contribution, effectively giving you the tax back. If you are a higher or additional rate taxpayer, you can claim the extra tax back from HMRC through your tax return. Contracting out did not apply to personal pension schemes.

Childcare vouchers

Your employer might give you the option to receive some of your salary in the form of Childcare Vouchers, which don't attract tax or National Insurance until the tax-free limit is reached. If you pay basic rate tax and/or you joined the voucher scheme before 6th April 2011, this limit is 2,916 per year. If you joined after 6th April 2011 and you pay 40% tax, the tax-free amount is reduced to 1,488 per year, and if you pay 45% tax it is 1,320.

As well as affecting National Insurance and income tax, childcare vouchers affect Student Loan deductions - the gross amount used to calculate Student Loan deductions is reduced by the value of the vouchers taken (up to the limits described above).

Bonuses

Bonuses are typically paid as a one-off extra on top of your usual salary. The calculator works out what extra deductions (tax, National Insurance and Student Loan) will be required that tax year because of this extra payment, and will add these on top of your usual deductions for that month. This can mean that you have very large deductions in a bonus month, but never larger than the bonus itself.

For the purposes of displaying the information The Salary Calculator assumes that your salary is normally paid monthly, and shows you what a bonus month would look like compared to a normal month. Similar calculations will be done by your employer if you are paid weekly.

Most employers would not include bonus payments when calculating pension contributions, so the calculator also does not modify pension deductions in a bonus month.

Mortgage Calculations

The Mortgage Repayment Calculator makes some assumptions (such that interest is calculated monthly) to calculate a repayment amount that completes the mortgage after the entered time period has passed. It also does not include any information about building society fees, or variable rates.

For these reasons, The Mortgage Repayment Calculator is intended just to provide a ballpark figure to allow you to get an idea of the costs of different interest rates etc. Care has been taken to try to make these values accurate, but figures from mortgage lendors are likely to differ.