VAT Calculator
Add or extract VAT using standard, reduced, zero or custom rates.
View pageCalculators
Calculators for quick business and tax estimates.
Calculators
Focused calculators for common planning questions
Each calculator now has its own inputs and assumptions, so the result matches the page rather than using a generic estimate.
Payslip Calculator
Estimate monthly take home pay using 2026/27 PAYE and employee National Insurance.
View pageFuel Costs Calculator
Estimate trip, monthly and annual fuel spend from mileage, MPG and pump price.
View pageCIS Tax Deduction Calculator
Calculate CIS deductions on labour, excluding materials and VAT.
View pageStartup Calculator
Plan a launch reserve using setup costs, monthly spend, revenue and contingency.
View pageSavings Calculator
Project savings with monthly contributions and compound interest.
View pageMillionaire Calculator
Estimate how long it could take to reach a savings target.
View pageAPR Calculator
Estimate an effective APR from loan cash received, fees, term and monthly repayments.
View pageLoan Calculator
Calculate repayments, interest and total cost for a fixed rate loan.
View pageGross Profit Calculator
Work out gross profit, margin and mark up from sales and direct costs.
View pageDividend Tax Calculator
Estimate UK dividend tax using the dividend allowance and current rate bands.
View pageMortgage Calculator
Estimate repayment mortgage costs from property price, deposit, rate and term.
View pageMore Profit Calculator
Model the effect of revenue growth or margin improvement on annual profit.
View pageLand and Buildings Transaction Tax
Estimate Scottish residential LBTT, including first time buyer and additional dwelling options.
View pageCompany Car and Fuel Benefit in Kind
Estimate company car and private fuel benefit using 2026/27 appropriate percentages.
View pageStamp Duty Land Tax Calculator
Estimate residential SDLT in England or Northern Ireland, including first time buyer and surcharge cases.
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