Quick, objective calculators for common business decisions: VAT registration, employment cost, and break-even planning.
Included
Calculators
Enter the figures you know and see the result instantly. Each calculator shows the rate or assumption used.
VAT
Check taxable turnover against the current UK VAT registration threshold.
Status
Below threshold
Taxable turnover
£75,000
Headroom remaining
£15,000
Based on these figures, the business is below the VAT registration threshold.
Payroll
Estimate salary, employer National Insurance, pension contribution, and total annual employment cost.
Total annual cost
£40,550
Gross salary cost
£35,000
Employer NI
£4,500
Employer pension
£1,050
Uses the 2026/27 secondary threshold of £5,000 and a 15% employer NI rate for standard employees.
Planning
Work out the number of sales needed to cover fixed costs using unit price and variable cost.
Break-even units
77
Break-even revenue
£7,700
Contribution per unit
£65
Break-even units are rounded up because a partial sale will not cover the remaining cost.
These calculators provide estimates from the figures entered. They do not replace tax, payroll, or accounting advice for your specific business.
AMS can help with VAT registration, payroll setup, bookkeeping, and management accounts when the numbers show it is time to act.