Money & Business

What's My Take-Home Pay? A UK Salary Calculator App for Quick Answers

Published 21 July 2026 · 3 min read · by Chalplex

Working out what actually lands in your bank account after tax, National Insurance and any pension contributions is harder than it should be. A uk take home pay calculator app on your phone saves you from doing that maths by hand every time your circumstances change.

I built Salary Cal for quick answers to that exact question, and paired it here with a Mac calculator for anyone who also needs to work with fractions and percentages when the numbers get fiddly.

A UK take home pay calculator app for quick checks

Payslips vary by employer and tax codes change more often than most people notice, especially with student loan brackets and pension percentages shifting most tax years. Having a dedicated calculator on your phone means you can check a number the moment it matters — before accepting a new role, say, or after a pay rise, rather than waiting for the first payslip to land.

Salary Cal icon
Salary Cal
iPhone & iPad

Salary Cal is an iPhone app built specifically as a UK take-home pay calculator. Rather than digging through a spreadsheet or a payroll website in a browser tab, you get a dedicated tool built for exactly this one question, kept on your phone for whenever a new offer or contract change needs checking.

Salary Cal screenshotSalary Cal screenshotSalary Cal screenshot

When the numbers need a second look

Take-home pay questions often lead to fraction and percentage questions — splitting a bonus, working out a percentage increase, converting between formats. Doing that on a calculator built for the job is faster than reaching for a spreadsheet or doing long division on paper.

AI Fraction Calc icon
AI Fraction Calc
macOS

AI Fraction Calc is a macOS app for working with fractions, decimals and percentages. It's a natural companion once you've got a take-home figure from Salary Cal and need to work out what a percentage rise or a fractional split actually means in real terms, without opening a full spreadsheet just to do one sum on a Mac you're already sitting in front of.

AI Fraction Calc screenshotAI Fraction Calc screenshotAI Fraction Calc screenshot

Together, a phone-based salary calculator and a Mac-based fraction tool cover most of the quick maths that comes with any pay change, from a first job offer through to a mid-year raise.

Frequently asked questions

Is there a UK-specific take-home pay calculator app?

Salary Cal is built specifically as a UK take-home pay calculator for iPhone, rather than a generic international tool.

What if I need to work out a percentage of my pay, not just the total?

AI Fraction Calc on Mac handles fractions, decimals and percentages, so it's useful alongside Salary Cal for that kind of follow-up sum.