ThatsMyTools

Free guides

Practical articles on finance, construction, business, and marketing — written to help you understand the numbers behind big decisions.

Finance7 min read

How to Calculate Zakat: A Complete Practical Guide

A step-by-step guide to calculating Zakat correctly — which assets count, how to determine the nisab, and how to use a Zakat calculator.

Read guide →

Business7 min read

How to Price Your Freelance Services (And Actually Make Money)

Stop undercharging. A practical guide to calculating a sustainable freelance hourly rate that covers your costs, taxes, and income goals.

Read guide →

Finance5 min read

Understanding VAT in the UK: A Plain-English Guide

Everything you need to know about UK VAT — rates, registration, how to add and remove VAT from prices, and when you need to charge it.

Read guide →

Construction8 min read

How to Budget a House Extension in the UK

A practical guide to estimating the cost of a single or double storey extension — from planning to build cost per m², with tips to avoid budget overruns.

Read guide →

Finance7 min read

Halal Home Finance Explained: Murabahah, Ijara, and Diminishing Musharakah

How Islamic home finance works, the main Shariah-compliant structures used in the UK, and how to compare them using a Murabahah calculator.

Read guide →

Finance5 min read

How to Calculate Your Take-Home Pay in the UK

A clear explanation of how income tax, National Insurance, and deductions work — so you know exactly how much of your salary you'll actually receive.

Read guide →

Marketing8 min read

How to Build an SEO Content Strategy That Actually Gets Traffic

A practical guide to keyword research, content planning, and publishing a blog that earns consistent organic traffic from Google.

Read guide →