Institutional UK Suite
Financial Calculators
for UK (2026)
Precision financial intelligence for the British market. Calculate **PAYE**, **National Insurance**, **Tax**, and **Mortgages** with institutional-grade accuracy.
Most Popular UK Tools
UK PAYE Tool (2026)
Detailed take-home pay after Tax and National Insurance.
Open Engine
Global SIP Planner
Systematic investment planning for long-term growth.
Open Engine
Mortgage Engine
Calculate monthly repayments for UK property loans.
Open Engine
Loan Amortization
Complete repayment schedules for personal or business debt.
Open Engine
🧾 Tax & Salary Tools
📈 Investment & Growth
Frequently Asked Questions
How is UK take-home pay calculated?
UK take-home pay is calculated by deducting Income Tax and National Insurance (NI) from your gross salary. Our PAYE tool uses the latest HMRC tax bands and NI rates for the 2025/26 tax year.
Does eCalcy support UK mortgage math?
Yes, our global mortgage engine supports UK-style monthly compounding and standard interest-only or repayment terms common in the British market.