UK Business Tools & Calculators
Free business calculators built for UK professionals. From VAT at 20% to UK working day calculations, all tools are calibrated for UK business practices and legislation.
Business Days Calculator
Count working days between any two UK dates, excluding weekends.
Add Business Days
Find a future date by adding N business days from any date.
Invoice Due Date Calculator
Calculate payment due dates using UK standard net terms.
VAT Calculator (UK)
Add or remove UK VAT at 20%, 5%, or zero rate from any amount.
Work Hours Calculator
Calculate total working hours for UK payroll and timesheets.
Decimal Hours Converter
Convert hours:mins to decimal for UK payroll systems.
Margin Calculator
Calculate gross profit margins for UK retail and wholesale.
Markup Calculator
Calculate selling prices from cost plus markup for UK businesses.
UK Business Context
20%
Standard VAT Rate
Applied to most UK goods and services.
£90k
VAT Registration Threshold
Mandatory registration above this turnover.
30 days
Default Payment Terms
UK statutory default for B2B invoices.
UK Business FAQs
What are the standard UK business payment terms?
Most UK businesses use Net 30 or 30 days end of month. Under the Late Payment of Commercial Debts Act, statutory interest applies after 30 days for B2B transactions.
What is the UK VAT registration threshold?
As of 2024/25, UK businesses must register for VAT when their taxable turnover exceeds £90,000 in any rolling 12-month period.
How many working days are there in a UK year?
A typical UK working year has approximately 260 working days (52 weeks × 5 days). After subtracting 8 UK bank holidays, the effective total is around 252 days.
What are UK bank holidays?
England and Wales have 8 bank holidays per year. Scotland has 9. Northern Ireland has 10. The specific dates vary each year.