Tax & Finance
Tax, NI & forecasting.
Work out UK income tax and National Insurance, and plan ahead for freelance taxes — all with current rates.
PAYE Calculator UK 2026/27
Income tax due on your salary with personal allowance and bands.
OpenUK National Insurance Calculator 2026/27
Employee Class 1 NI across annual, monthly, and weekly periods.
OpenFreelance Tax Calculator
Forecast taxes and plan quarterly payments with ease.
OpenSelf-Employment Tax Calculator (1099)
Estimate 1099 self-employment and income tax, plus your quarterly set-aside.
Open1099 Tax Calculator
Start from your 1099 totals and expenses to estimate the full federal bill.
OpenQuarterly Estimated Tax Calculator
Plan your four IRS estimated payments and stay clear of penalties.
Open1099 vs W-2 Calculator
Compare contractor vs employee take-home and the rate to match a salary.
OpenSalaried vs Consultant Calculator (44ADA)
Compare salary vs 44ADA consultant take-home where only 50% of receipts is taxed.
OpenFreiberufler vs Gewerbe Calculator
See the real trade-tax cost of being a Gewerbe vs Freiberufler at your Hebesatz.
OpenSole Trader vs Limited Company Calculator
Find the profit where incorporating beats sole-trader tax, with dividends and corp tax.
OpenKleinunternehmer §19 Checker
Check if you qualify for the German small-business VAT exemption under the 2025 rules.
OpenBAS & GST Calculator
Quarterly GST collected, credits, net payable, and PAYG for your BAS.
OpenTax Set-Aside Calculator
How much to set aside per invoice and your tax payment dates, by country.
OpenFAQ
Common questions about the tax & finance.
What's the difference between PAYE and National Insurance?
PAYE is income tax collected from your wages. National Insurance is a separate contribution with its own thresholds that funds state benefits.
Which tax year do the UK tools use?
The PAYE and National Insurance calculators use the 2026/27 UK tax year rates and thresholds.
Do these tools store my data?
No. Everything is calculated locally in your browser and nothing is saved or transmitted.