Smart, Instant Online Calculators Tailored for United Kingdom
High-performance tools for employees, freelancers, students, and businesses. 100% private with instant browser math and zero data collection.
Featured Calculators
Select a tool to run real-time calculations customized for United Kingdom.
Gross to Net PAYE Salary Calculator
Calculate take-home pay under HMRC PAYE tax bands, National Insurance, and pension contributions.
Free ATS Resume & CV Builder 2026
Create an ATS-compliant tech resume with live split preview and instant browser PDF export.
Freelance & Consultant Rate Calculator
Calculate hourly, day, and project rates based on target income, overhead, and tax buffers.
CGPA to Percentage & US 4.0 GPA
Convert university CGPA to percentage using CBSE 9.5 multiplier, or convert to US 4.0 scale.
Percentage & Discount Calculator
Quickly find percentage increases, markups, discounts, exam scores, and GST/sales tax in seconds.
Exact Age & Birthday Countdown
Calculate your exact age in years, months, days, hours, and minutes with upcoming birthday alerts.
Need Custom Software, Web Apps, or AI Automation?
We engineer enterprise-grade SaaS, mobile apps, and custom platforms with our signature zero-risk Pilot Model for founders and businesses in United Kingdom.