The UK's leading contractor site. Independently audited traffic (ABC)
monthly unique visitors.
Our range of calculators for contractors and permanent employees can be used for a variety of tasks from calculating taxes and net pay through to comparing contract rates and effects of IR35. In addition to the calculators listed below you can view our complete calculator directory.
Calculate profit, corporation taxes, and dividends.
Calculate corporation tax payable on net profits.
Calculate taxes payable on dividends.
Quickly calculate PAYE income tax, N.I and net pay.
Calculate VAT amounts for invoicing.
How much does IR35 cost you?
Compare taxes inside/outside IR35.
Calculate deemed payment and taxes due.
How much could the new legislation cost you?
How much could Section 660A cost you?
Calculate the interest you can charge on late payments.