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Free Tax & Pay Calculators

Taxloupe offers free calculators for taxes and take-home pay, built directly on the published rules of official tax authorities — IRS, ATO, HMRC, and others. Each calculator shows its sources and is reviewed annually as rates change.

Available now

US

Self-Employment Tax Calculator 2026

Social Security, Medicare & Additional Medicare Tax — with 50% deductible. Based on IRS/SSA 2026 rules.

15.3%SE tax rate
US

Quarterly Estimated Tax Calculator 2026

Safe harbor payment amounts and due dates for self-employed income. Supports 90% / 100% / 110% safe harbor methods. Based on IRS Rev. Proc. 2025-32.

4×annual payments
US

W-2 vs 1099 Calculator 2026

Find the 1099 rate that matches a W-2 salary — or the equivalent salary for a 1099 offer. Compares FICA, SE tax, and take-home pay side by side.

~10–15%contractor premium
AU

Pay Calculator Australia 2026-27

Income tax, Medicare levy, LITO, and superannuation. Based on confirmed ATO 2026-27 rates.

12%super guarantee
UK

Take-Home Pay Calculator UK 2026-27

Income tax, National Insurance, student loan, and pension schemes. Based on confirmed HMRC 2026-27 rates.

£12,570personal allowance
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Disclaimer: Calculators provide estimates for informational purposes only, based on official tax authority publications. Not tax, legal, or financial advice. Consult a qualified tax professional for guidance specific to your situation.