Share Incentive Plan Calculator
Calculate the full value of your SIP — free shares, partnership shares, matching shares, dividend shares, Income Tax and NI savings, and projected total benefit at maturity.
SIP Calculator
Enter your salary, share price, and plan details
NI is also saved on partnership share contributions deducted from gross pay.
Growth rate is used for the 5-year projection only. Past performance does not guarantee future returns.
HMRC limit: £3,600 per tax year. Shares must be held for 3–5 years to be fully tax-free.
Deducted from gross pay before tax and NI — max £1,800/yr (or 10% of salary, whichever is lower).
Check your employer’s SIP rules for the exact match ratio offered.
Dividends reinvested in the plan are free of Income Tax up to £1,500 per year.
SIP Breakdown
Annual benefit, tax savings & 5-year projection
Enter your salary, share price, and plan options, then click Calculate my SIP to see your total annual benefit and projected value at maturity.