The Salary Calc Blog
Plain-English guides on tax, finance, property and retirement. No jargon, no waffle — just the stuff you actually need to know.
UK Guides
The £100k Tax Trap: How to Avoid Paying 60% Tax
Earn between £100k and £125,140? You're paying an effective 60% rate. Here's why and how to fix it.
7 min read
UK TaxUK Income Tax Rates 2026/27: Every Band Explained
Personal Allowance, basic, higher and additional rate — with worked examples so you see exactly what you owe.
6 min read
UK PropertyStamp Duty Changes April 2025: What Buyers Need to Know
Nil-rate thresholds dropped, FTB relief reduced. Here's what changed and what you'll pay now.
5 min read
UK TaxNational Insurance Rates 2026/27: What You'll Pay
Employee, employer and self-employed NI rates explained with a step-by-step worked example.
5 min read
UK TaxHow Much Can I Earn Before Paying Tax?
Personal Allowance, trading allowance, savings interest, dividends — every tax-free amount in one place.
5 min read
UK PropertyFirst-Time Buyer Guide: Stamp Duty, Deposits & Hidden Costs
Everything you need to budget for your first property — from deposit to completion day.
6 min read
UK FinanceUK Minimum Wage 2026/27: Every Rate by Age
National Living Wage and NMW rates, who qualifies, and what to do if you're being underpaid.
5 min read
UK TaxSelf-Employed Tax: The Complete Guide for 2026/27
Income tax, Class 2 & 4 NI, expenses, payment on account and MTD — everything freelancers need.
6 min read
UK FinanceHow Student Loan Repayments Work (Plan 1–5)
Thresholds, rates, write-off periods and whether you should overpay. Every plan covered.
5 min read
UK PropertyCouncil Tax Bands Explained: A to H
How bands work, how to check yours, single person discount, student exemptions and how to appeal.
5 min read
US Guides
US Federal Tax Brackets 2025: Every Rate Explained
All seven brackets for single and married filers, standard deduction, FICA and a worked example.
6 min read
US Retirement401(k) Contribution Limits 2025: How Much Can You Put In?
Employee limits, catch-up contributions, employer match rules and the new super catch-up for 60–63.
5 min read
US RetirementRoth IRA vs Traditional IRA: Which One Should You Pick?
Tax-free growth vs tax deduction now. Income limits, backdoor Roth and when each one wins.
5 min read
US TaxUS Sales Tax by State: Complete 2025 Guide
Every state rate, which states have no sales tax, grocery exemptions and how it differs from VAT.
5 min read
US PropertyHow Much House Can I Afford? The Real Math
The 28/36 rule, down payments, closing costs, PMI and why the bank will approve more than you should spend.
6 min read
US Tax2026 Federal Tax Brackets: Every Rate, Deduction & Strategy
All 7 brackets for single and joint filers, standard deductions, worked examples and how to lower your bracket.
10 min read
US FinanceHow to Calculate Your Paycheck: Step-by-Step (2026)
Where every dollar goes — federal tax, FICA, state tax, benefits. With a full worked example.
10 min read
US RetirementRoth IRA Contribution Limits 2026: Everything You Need to Know
Limits, income phase-outs, backdoor Roth, 5-year rule and common mistakes to avoid.
10 min read
US PropertyHow Much House Can I Afford on a $100K Salary?
The 28/36 rule applied to six figures, what it buys in different cities, and a full worked example.
10 min read
US TaxSelf-Employment Tax 2026: Complete Guide for Freelancers
The 15.3% nobody warns you about. SE tax, quarterly payments, deductions and S-Corp election.
10 min read
US TaxBest and Worst States for Taxes in 2026
Complete ranking by total tax burden. No-income-tax states, best for retirees, best for self-employed.
10 min read