employment12 min
UK Tax Codes Explained (2026/27): 1257L, BR, K and Emergency Codes
Decode any UK tax code — 1257L, BR, K and emergency codes — for 2026/27.
Laura Whitmore
Blog
Calculadora.co.uk Blog
Deep-dive guides on UK tax, personal finance, maths and health — written and reviewed by named experts.
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employment11 min
Salary Sacrifice Explained (2026/27): How It Cuts Your Tax and NI
Salary sacrifice, worked line by line — pensions, EVs and the tax/NI savings.
Laura Whitmore
employment12 min
Contractor Take-Home Pay & IR35 Explained (UK, 2026/27)
Contractor take-home, IR35, umbrella vs limited — worked for a £500/day rate.
Laura Whitmore
Latest articles
finance11 min
How to Calculate Your UK Take-Home Pay in 2026
PAYE, NI and student loan explained — with worked numbers for 2026/27.
Laura Whitmore
finance11 min
Plan 2 Student Loan Repayment in the UK (2026 Guide)
Plan 2 repayments, thresholds and interest in plain English.
Laura Whitmore
finance9 min
Council Tax Bands in England: A Practical Guide
Council Tax bands, discounts and how estimates work.
Laura Whitmore
employment10 min
Brazil’s FGTS: What UK-Based Workers Should Know
FGTS basics for Brazilian workers.
Laura Whitmore
finance9 min
Payroll Loans vs Personal Credit in Brazil (Consignado x Crédito Pessoal)
Consignado vs personal loan basics.
Laura Whitmore
guides8 min
UK Vehicle Excise Duty (VED): What You Actually Pay
VED bands and supplements in one place.
Laura Whitmore
finance10 min
ISAs and Dividend Tax in the UK: A Straightforward Primer
ISA limit, dividend allowance, CGT — core concepts.
Laura Whitmore
finance10 min
Stamp Duty for First-Time Buyers in 2026: A Plain-English Guide
First-time-buyer Stamp Duty thresholds, reliefs and traps for 2026.
Laura Whitmore
finance9 min
VAT Flat Rate vs Standard: Which Should My Business Pick?
Flat rate vs standard VAT — the maths and the trade-offs.
Laura Whitmore
finance10 min
Compound Interest Explained for UK Savers
Compound interest — the maths and the UK wrappers.
Laura Whitmore
maths8 min
Pythagoras: How to Use the Theorem (A Brazilian Classroom Favourite)
A Brazilian-classroom favourite explained for English readers too.
Editorial Desk
health9 min
BMI: What the Numbers Actually Mean (and What They Don't)
BMI categories, edge cases and better measures.
Dr. James Okonkwo