Free UK Tax & Accounting Calculators

Take-Home Pay / PAYE

Net salary after income tax & NI

Gross to Net · Net to Gross

Convert between gross and net salary

Hourly Wage

Hourly rate to annual equivalent after tax

Bonus Tax

How much of your bonus you keep

Salary Sacrifice

Tax & NI savings through salary sacrifice

Income Tax (Self-Employed)

Tax & Class 4 NI for sole traders

Pension Tax Relief

Government top-up on pension contributions

Dividend Tax

Tax on dividends at all rate bands

Capital Gains Tax

CGT on shares, property & other assets

Inheritance Tax (IHT)

IHT liability with nil-rate band relief

IR35 — Inside vs. Outside

True cost of a deemed employment ruling

Umbrella Company

Take-home through an umbrella company

Day Rate vs Employed

Compare day-rate contracting (outside/inside IR35, umbrella) with permanent employment

Dividend vs. Salary

Most tax-efficient director remuneration

Multi-Director Optimiser

Optimise across multiple companies

Company Car & BiK

Benefit-in-Kind tax on company cars

Corporation Tax

Small profits rate & marginal relief

CIS Tax Deduction

Construction Industry Scheme deductions

VAT Calculator

Add or remove VAT at 20%

Rental Income Tax

Tax on UK property income incl. S24

Buy-to-Let Mortgage

BTL repayments + lender ICR / rental stress test

Rental Yield & ROI

Gross yield, net yield and cash-on-cash return

Tenant Affordability

Maximum rent a tenant household can afford

Household Affordability

Max property price a family can afford from all income sources

Stamp Duty (SDLT)

SDLT on England & NI property purchases

Gross Profit

Revenue minus cost of goods sold

Profit Before Tax

Operating profit after expenses

More Profit

Model price, volume & cost improvements

Profit & Loss Statement

Simple P&L from income & expense lines

Startup Costs

Estimate funding needed to launch

Mortgage Calculator

Monthly repayments on any mortgage

Loan Calculator

Fixed repayments & total interest

APR Calculator

True annual cost of borrowing

Savings Calculator

Compound growth with regular contributions

Millionaire Calculator

Time to reach any savings target

Fuel Costs

Annual spend & HMRC mileage allowance