Pick a tax regime, drop in your incomes and deductions, and see your full annual liability — bracket by bracket, with effective and marginal rates, monthly take-home, and a year-to-date projection if you’ve already paid some.
01 — What you create
Pick a regime, drop in your incomes and deductions, and see exactly how each slab of your taxable income gets taxed — plus effective and marginal rates and your monthly take-home.
INCOME TAX ESTIMATE
Annual Income Tax Estimate — 2025/26
Marcus Vance · UK 2025/26 (England)
GROSS
GBP 113,600
TAXABLE
GBP 88,280
TOTAL TAX
GBP 22,652
TAKE-HOME
GBP 90,948
SLAB-WISE TAX BREAKDOWN
EFFECTIVE
19.94%
MARGINAL
40%
TAX/MO
GBP 1,888
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02 — How it works
Tax calculators usually give you one number. This tool gives you the workings — every slab utilised, every rate applied, effective vs marginal, monthly view, and what’s still owed if you’ve been paying through the year.
UK 2025/26, US Federal Single 2025, India new regime, India old regime, or fully custom. Slabs and personal allowance pre-fill.
Salary, business, rental, dividends, capital gains — any combination, each with its own description. The gross adds up automatically.
PDF: summary cards, income table, deductions table, slab-wise breakdown, rate metrics, take-home view, YTD projection. XLSX: 4 sheets ready for analysis.
03 — Built for honest forecasting
UK 2025/26 with PA taper, US 2025 Federal single, India new regime (115BAC), India old regime, or fully custom slabs.
Shows exactly how each slab of taxable income gets taxed — band label, range, sliced amount, rate, and tax. No black-box.
Effective rate (tax ÷ gross) and marginal rate (rate on next pound earned) side-by-side. Two metrics every taxpayer should know.
Annual gross, tax, and take-home plus the same numbers divided by 12 — useful for budgeting and payslip-vs-estimate reconciliation.
Plug in tax already paid this year — the tool projects how much is still owed, helpful for ensuring you don't under-pay (or over-pay).
PDF: summary cards, income, deductions, slab table, rate metrics, take-home, projection. XLSX: Summary, Income, Deductions, Slabs.
Bulk OCR, batch invoicing, multi-party e-signing, redaction, audit logs — pdfFiller picks up where Sonchoy ends. Free for 30 days, no credit card.
Run 100+ invoices, statements, or conversions in one go.
Turn paper invoices into searchable, exportable data.
Multi-party signatures with full audit trails.
Mask sensitive ledger lines before sending to auditors.
04 — Common questions
For straightforward employment income, very accurate — usually within £100–£200 on a £50K+ salary. Where it gets fuzzy: dividend allowance, savings allowance, capital gains rates that differ from income tax, regional variations (Scotland), and benefits in kind. Always sense-check against HMRC / IRS / ITR portal calculators before filing.
The Tax Calculation Sheet is a clean working document for an accountant — it presents numbers neutrally. This Estimator is a forward-looking planning tool — it adds take-home, monthly view, effective vs marginal rates, and YTD projection. Different purpose; both useful.
Effective rate = total tax ÷ gross income — the average percentage of your income you actually pay in tax. Marginal rate = the rate that applies to your next dollar of income. Marginal is always higher (or equal) than effective in a progressive system. Marginal drives decisions; effective drives perception.
Above £100,000 of gross income, the £12,570 personal allowance is reduced by £1 for every £2 of income over the threshold. By £125,140 it's fully tapered out. This creates a 60% effective marginal rate band between £100K and £125K. The UK preset models this automatically.
Not in a single PDF, but you can switch regimes mid-session and compare the totals. The new regime has lower rates but disallows most deductions (80C, HRA, etc.); the old regime is the opposite. The Estimator makes either trivial to model.
PDF (multi-page if needed, with summary cards, income/deductions tables, slab breakdown, rate metrics, take-home view, YTD projection block, regime notes footer) and XLSX (4 sheets: Summary, Income, Deductions, Slabs). Every numeric column is a real number, ready for further work.
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