Use our popular contractor calculators to work out your tax liabilities, take-home pay and limited company profits.
Our calculators are rigorously tested against current tax rates and thresholds. The underlying code has also been checked by our accountants and independently verified for accuracy.
Limited company tax calculators
Calculate profits, Corporation Tax and the personal tax payable on dividends.
Popular
Dividend Tax Calculator
Work out how much personal tax you will pay on dividends during the 2026/27 tax year, taking into account your other income and the £500 dividend allowance.
Limited company
Limited Company Profit Calculator
Find out how much profit your company retains after business expenses and Corporation Tax, and how much remains available to distribute as dividends.
Corporation Tax
Corporation Tax Calculator
Calculate your company’s Corporation Tax using the 19% small profits rate, 25% main rate and Marginal Relief where applicable.
Salary and employment cost calculators
Calculate take-home pay and compare the costs of permanent employment and contracting.
PAYE
Salary Take-Home Pay Calculator
Calculate 2026/27 take-home pay after Income Tax, employee National Insurance, student loan repayments and salary sacrifice pension contributions.
Employer costs
Employer Cost Calculator
Calculate the true cost of employing someone, including gross salary, Employer National Insurance, pension contributions and other employment costs.
Contract vs perm
Contractor Day Rate to Salary Calculator
Compare the annual cost of a contractor to that of an equivalent permanent employee, using your day rate and billable days.
IR35 calculators
Compare take home pay between ‘inside’ and ‘outside’ IR35 scenarios.
IR35
Inside vs Outside IR35 Calculator
Compare an outside IR35 limited company contract with an inside IR35 umbrella assignment and see the difference in take-home pay.
IR35
IR35 Deemed Payment Calculator
Compare outside IR35 limited company income with a deemed employment payment where you continue to operate through your company.
Umbrella company calculator
Estimate your umbrella take-home pay after employment costs and PAYE deductions.
Umbrella
Umbrella Company Take-Home Pay Calculator
Calculate umbrella take-home pay after employment costs, PAYE Income Tax and National Insurance have been deducted from your assignment income.
Sole trader tax calculator
Calculate Income Tax and National Insurance on your self-employed profits.
Self-employed
Sole Trader Tax Calculator
Work out the Income Tax and National Insurance payable on your self-employed profits during the 2026/27 tax year.
VAT calculator
Quickly add or remove VAT from any amount.
VAT
VAT Calculator
Add or remove VAT from an amount using the standard 20%, reduced 5% or zero VAT rate.
Contractor mortgage calculators
Estimate how much you may be able to borrow and calculate your monthly repayments.
Mortgage
Contractor Mortgage Calculator
Estimate how much you may be able to borrow based on your daily contract rate and the multiples commonly used by contractor mortgage lenders.
Mortgage
Mortgage Repayment Calculator
Calculate monthly mortgage payments and the total cost of borrowing for repayment and interest-only mortgages.
Relevant life insurance calculator
Compare company-funded life cover with paying for equivalent life insurance personally.
Insurance
Relevant Life Insurance Calculator
Compare the cost of company-funded relevant life cover with paying for equivalent cover personally from post-tax income.