Share Incentive Plan Calculator

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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.

🎁 Free & matching shares
💷 Tax & NI savings
📈 Growth projection
⚡ Instant results

SIP Calculator

Enter your salary, share price, and plan details

Your Details
£ / yr

NI is also saved on partnership share contributions deducted from gross pay.


Share Price & Holding Period
£ / share
% / yr

Growth rate is used for the 5-year projection only. Past performance does not guarantee future returns.


£ / yr

HMRC limit: £3,600 per tax year. Shares must be held for 3–5 years to be fully tax-free.


£ / mo

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.


% / yr

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.

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