Every calculator runs entirely in your browser — nothing typed here is sent anywhere. When you want the real figure, a licensed professional is one click away.
Federal income · self-employment · S-corp savings · sales tax.
Open Practice IIIncome tax & NI · corporation tax · VAT either way.
Open Practice IIICorporate tax 9% · VAT 5% · end-of-service gratuity.
OpenOne income, three tax systems, side by side.
Compare Your EngagementA tailored monthly fee in two minutes.
Scope itIllustrative, not advice. These tools use simplified, representative rates so you can feel the shape of your number privately. Real rates, bands and thresholds change by year and circumstance — verify with IRS.gov, GOV.UK or tax.gov.ae, or let a licensed professional run it properly. Nothing you type here leaves your browser.