Guides

Understand the numbers behind your pay.

Plain-English guides covering salary, tax, working hours and freelance decisions, designed to complement the calculators.

Guide

UK tax codes explained

Understand common PAYE tax codes including 1257L, 937L, BR, D0 and emergency tax codes.

Guide

Salary sacrifice: how it affects your take-home pay and pension

Understand how pension salary sacrifice works, why it can change your take-home pay and what to check before choosing it.

Guide

What happens to your salary if you work 4 days a week?

See how reducing your working hours can affect your salary, take-home pay and the value of the extra time you gain.

Guide

How is take-home pay calculated?

Understand how Income Tax, National Insurance and pension contributions affect what you actually keep.

Guide

How much should I charge as a freelancer?

A practical way to think about billable hours, holiday and employment benefits.

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How to calculate your real hourly wage

Why salary divided by 52 weeks only tells part of the story.

Guide

Salary vs freelance: what should you compare?

The important differences between salary and headline freelance revenue.