Calculator bank
14 calculators for UK accountancy firms.
Embed any of them by appending ?host=yourfirm.co.uk&brand=1f4a7a.
VAT calculator
Add 20% VAT to a net amount, or strip VAT from a gross amount.
CIS tax deduction calculator
Compute the CIS deduction a contractor must withhold from a sub-contractor's labour.
Company car benefit calculator
Estimate the annual benefit-in-kind taxable amount on a company car.
Gross profit margin calculator
Revenue minus cost of goods sold = gross profit. Margin = gross profit ÷ revenue.
Startup cost calculator
Sum one-off setup costs and monthly running costs; estimate breakeven months.
Stamp Duty (SDLT) calculator — England
Compute Stamp Duty Land Tax for residential property purchases in England.
Payslip / take-home calculator
Estimate annual income tax, employee NI, and monthly take-home from a salary.
Mortgage repayment calculator
Compute monthly payment on a capital-and-interest mortgage.
Loan repayment calculator
Compute monthly payment on a fixed-rate amortising loan.
Savings calculator
Compound interest projection: future value of regular savings.
Fuel cost calculator
Annual fuel cost from miles per year, mpg, and price per litre.
APR calculator
Convert a monthly interest rate to an APR (simple and compound).
More-profit sensitivity calculator
What revenue or margin lift would deliver a target profit increase?
Path-to-£1M calculator
How long does it take a regular saver to reach a £1,000,000 portfolio?