CIS Calculator

CIS Calculator

Our CIS calculator will help you calculate necessary CIS deductions for any sub-contractor invoices. All you need to do is enter the labour, materials and rate of deduction and we can provide you with the tax, net, and gross figures.

Note: These calculations are only for illustrative purposes and are not a substitute for professional advice.

Easy as 123

How To Use the CIS Calculator

Firstly you will need to enter your labour costs into the CIS calculator. This is the cost of the work carried out in respect of the job.

Labour costs are defined by construction work only, including jobs such as:

  • Decorating
  • Repairs
  • Site Preparation
  • Construction

Bare in mind that the CIS scheme does not apply to construction work carried out outside of the UK.

Next, you will enter the cost of materials that was incurred by the subcontractor in respect of the construction-related job.

It’s important to note the CIS materials don’t suffer any CIS tax deductions.

Lastly, you will need to enter the rate of deduction for CIS.

  • If the sub-contractor is unregistered, this will be at a 30% deduction and “no” should be chosen for this option.
  • If the sub-contractor is registered and net 20% deduction is used, “yes” should be chosen for this option.
  • When neither of the above apply, gross status should be chosen.
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