

Maternity Pay Calculator
At Ivy Jane HR Services, we understand that managing statutory entitlements can be complex and time-consuming. That’s why we’ve created this simple and reliable Statutory Maternity Pay (SMP) Calculator—designed specifically to help employers estimate maternity pay entitlements based on average weekly earnings.
Use this tool to quickly calculate the amounts payable over the statutory 39-week period, including the initial 6 weeks at 90% of earnings and the following 33 weeks at the standard capped rate. It’s a fast and easy way to support payroll accuracy and ensure compliance with current regulations.
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CALENDAR LOGIC:
The code calculates Statutory Maternity Pay (SMP) based on the user's average weekly earnings (AWE) entered into the input.
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First 6 Weeks:
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The employee receives 90% of their average weekly earnings.
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Total for this period: 0.9 × AWE × 6
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Next 33 Weeks:
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The employee receives either 90% of AWE or £187.18 per week, whichever is lower.
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Total for this period: min(0.9 × AWE, £187.18) × 33
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Total SMP:
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The full maternity pay is the sum of the two periods above.
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The results are displayed in pounds, rounded to two decimal places.
