Free NIC Calculator in Excel – 2025/26 UK Tax Year

 Quickly calculate employee and employer NICs in Excel – updated for the 2025/26 tax year.

This free Excel calculator helps you estimate:

• ✅ Employee NIC (8% above £1,048/month)
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• ✅ Employer NIC (15% above £417/month)
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• ✅ Simplified Net Pay (excluding PAYE & pensions)
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Just type in gross monthly pay – NICs calculate automatically!

🎓 Ideal for small business owners, bursars, school admin, and payroll beginners.

✅ Ready-to-use

✅ No macros

✅ Editable and Excel 2016+ compatible

📥 Instant download – no login needed.