IR35 and Off-Payroll Explained

The UK's leading contractor site. 200,000 average monthly visitors.

New Calculators

New Calculators Contents:

  • New release updates.


Online interactive contractor tax calculators now available with latest tax data

ContractorCalculator’s comprehensive range of personal and business online interactive tax calculators have been updated with the latest Budget data.

Others | Mon, 12 Apr 2010

Contractor calculators: now updated with 2005 budget figures

All calculators updated with 2005 budget figures. Calculate how much the budget affected your income.

Others | Wed, 06 Apr 2005

Budget calculators ready: calculate how the budget affected you.

Contractors and permanent employees can calculate the effect on their income due to the 2005 budget.

Others | Wed, 16 Mar 2005

New: section 660 calculator released

Calculate the financial effects on you: Increased tax bill, potential penalties and the rate rise required to counteract the effects.

Others | Mon, 04 Oct 2004

New calculator: contractor pension calculator

Calculate the benefits of a contractor pension. Up to 48% tax relief!

Others | Mon, 12 Jul 2004

Calculators updated with budget 2004 figures

Calculators have now been updated to use the tax figures from the 2004 Budget

Others | Thu, 01 Apr 2004

New site goes live

Whether you are currently contracting, thinking of going contracting, or are considering going back to permanent work, ContractorCalculator has a calculator that can help you make that decision.

Others | Mon, 22 Mar 2004

Target income calculator for contractors

Calculate the rate you require to earn your desired net income each month.

Others | Fri, 23 Jan 2004

Target income calculator for permanent employees

Work out the salary required to earn you desired income from permanent employment.

Others | Thu, 15 Jan 2004

Target income calculator now live!

How much would you like in your pocket each month after the chancellor has taken his piece?

Others | Wed, 19 Nov 2003