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Head-to-head · Tax Calculators

Take-Home-Paycheck Calculator vs GOV.UK Self Assessment Tax Calculator

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side

Take-Home-Paycheck Calculator leads on 0 checks, GOV.UK Self Assessment Tax Calculator on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreTake-Home-Paycheck Calculator · 8.7/10
  • Free planboth

Take-Home-Paycheck Calculator scores higher on our rubric for tax calculators: 8.7 against 8.5 out of 10; our editors rank them #3 and #5.

On tax jurisdictions, Take-Home-Paycheck Calculator gives you Multiple where GOV.UK Self Assessment Tax Calculator offers Federal.

Take-Home-Paycheck Calculator is the better fit for U.S. households needing detailed paycheck estimates. GOV.UK Self Assessment Tax Calculator is the better fit for UK self-employed people with mixed income.

  • Take-Home-Paycheck Calculator fits best

    U.S. households needing detailed paycheck estimates

  • GOV.UK Self Assessment Tax Calculator fits best

    UK self-employed people with mixed income

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Side by side

Feature Take-Home-Paycheck Calculator 8.7/10 Visit ↗ GOV.UK Self Assessment Tax Calculator 8.5/10 Visit ↗
At a glance
Editor score 8.7 8.5
Ranking #3 in Tax Calculators #5 in Tax Calculators
Best for U.S. households needing detailed paycheck estimates UK self-employed people with mixed income
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Email Docs
Built for Solo Solo
Specs
Calculator types Take-home paycheck estimate; federal income tax, FICA/payroll tax, state income tax, and city/local income tax estimates Income Tax; Class 4 National Insurance
Tax jurisdictions Multiple Federal
Income sources Salary/job income; other income such as interest, dividends, and retirement income; additional job or spouse income; qualified tips; overtime compensation self-employment profits; property rental income; State or occupational pension; paid employment
Filing statuses Single; married filing jointly; married filing separately; head of household; qualifying widow Not checked yet
Tax years 2017–2026 2025 to 2026
Platforms Web web
Our review
Pros
  • Covers weekly, bi-weekly, semi-monthly, and monthly pay frequencies
  • Accounts for five filing statuses, varied income, and multiple deduction types
  • Includes state and city tax inputs and can help fill W-4 steps 3 and 4
  • Estimates Income Tax for the 2025 to 2026 tax year
  • Includes Class 4 National Insurance for self-employed users
  • Combines self-employment, rental, pension, and employment income
Cons
  • Designed for U.S. residents, not international tax estimates
  • Web-only, with no desktop or mobile app platform listed
  • A calculator for estimates, not a broader tax filing product
  • Assumes the standard Personal Allowance
  • Does not account for savings and investment income
  • Excludes the High Income Child Benefit Charge and amounts already paid
Our verdict

Calculator.net’s Take-Home-Paycheck Calculator estimates what a U.S. resident may take home after taxes and deductions. It suits households that want to adjust paycheck assumptions rather than rely on a basic salary-only estimate. Inputs…

Read the review →

GOV.UK’s Self Assessment Tax Calculator is a free web tool from HM Revenue & Customs for estimating Income Tax for the 2025 to 2026 tax year. For self-employed users, it also estimates Class 4 National Insurance. It is aimed at people who…

Read the review →
  1. Take-Home-Paycheck CalculatorTax Calculators 8.7Free plan
  2. GOV.UK Self Assessment Tax CalculatorTax Calculators 8.5Free plan

Strengths and trade-offs

  • Take-Home-Paycheck Calculator — where it wins

    • Covers weekly, bi-weekly, semi-monthly, and monthly pay frequencies
    • Accounts for five filing statuses, varied income, and multiple deduction types
    • Includes state and city tax inputs and can help fill W-4 steps 3 and 4

    Where it doesn't

    • Designed for U.S. residents, not international tax estimates
    • Web-only, with no desktop or mobile app platform listed
    • A calculator for estimates, not a broader tax filing product
  • GOV.UK Self Assessment Tax Calculator — where it wins

    • Estimates Income Tax for the 2025 to 2026 tax year
    • Includes Class 4 National Insurance for self-employed users
    • Combines self-employment, rental, pension, and employment income

    Where it doesn't

    • Assumes the standard Personal Allowance
    • Does not account for savings and investment income
    • Excludes the High Income Child Benefit Charge and amounts already paid
  • Take-Home-Paycheck Calculator8.7/10 · Free plan

    A free web calculator for detailed U.S. paycheck and withholding estimates.

    Visit Calculator.netFull verdict →
  • GOV.UK Self Assessment Tax Calculator8.5/10 · Free plan

    A free web calculator for estimating 2025–26 tax across several income sources.

    Visit GOV.UKFull verdict →

More comparisons

Guides on tax calculators

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update