Business & Tax Calculators

Calculate UK corporation tax including small profits rate, main rate, and marginal relief.

Calculate employer National Insurance contributions and total employment costs for UK businesses.

Compare the Flat Rate VAT scheme against standard VAT to see which saves your business more.

Calculate your Self Assessment tax bill including Income Tax, National Insurance, and payments on account.

Calculate tax, National Insurance, and take-home pay for self-employed workers.

Calculate Construction Industry Scheme deductions for subcontractors at 20% or 30% rates.

Calculate tax-free mileage allowance payments (MAPs) for business travel using HMRC approved rates.

Compare the tax efficiency of taking income as dividends versus salary for company directors.

Calculate your startup's monthly burn rate and cash runway. Project future cash flow with revenue growth and identify your break-even point.