Presumptive tax calculator

Enter your receipts. Get your presumed income under Section 58 and the tax on it — new regime and old regime side by side, with rebate and marginal relief applied.

Your track under Section 58

Not sure which? Check your eligibility first →

Which year?

Gross receipts for the year (₹)

Of which received in cash (₹)

Cash matters twice: the 8% rate, and the 5% test that unlocks the higher limit.

How the calculation works

Presumed income — profession: 50% × gross receipts (s.58(2) Sl.3). Business: 6% × digital receipts + 8% × cash receipts (s.58(2) Sl.1). If your actual profit is higher, the law requires declaring the higher figure.
Limits — profession ₹50 lakh, business ₹2 crore; both rise (₹75L / ₹3cr) when cash receipts are at most 5% of total receipts.
New regime — slab tax on the presumed income, minus the s.156 rebate (up to ₹60,000 when total income is within ₹12 lakh), with marginal relief just above it, plus 4% health & education cess.
Old regime — 2.5L/5L/10L slabs with the ₹12,500 rebate up to ₹5 lakh total income, plus cess. Deductions like 80C/80D are not modelled here — they can lower old-regime tax further; a CA can tell you if opting out is worth it.

Worked example

A freelance designer bills ₹18,00,000, all digital, in tax year 2026-27. Business track: presumed income = 6% × 18,00,000 = ₹1,08,000 — below every slab, so tax is zero in both regimes. A software consultant on the same receipts is a 50% profession: presumed income ₹9,00,000 — new-regime slab tax lands within the ₹12 lakh rebate zone, so the rebate wipes it to zero; in the old regime the same income is taxed normally. Same money, three different answers — run your own numbers above.

Edge cases this tool applies

The 5% cash test — crossing 5% cash drops your limit back to ₹50L/₹2cr; the tool warns you either way.
Marginal relief — just above ₹12 lakh, tax is capped at the amount by which income exceeds ₹12 lakh (new regime), so earning ₹12.1L never nets less than ₹12L.
Rebate is not for special-rate income — capital gains taxed at special rates don't get the rebate; this tool assumes presumptive income only.
Other income not included — salary, interest or capital gains change the slab math; treat the result as the presumptive slice of the picture.
Surcharge — presumptive income alone stays below the ₹50 lakh surcharge threshold (max possible: ₹37.5L), so no surcharge is applied here. Other income could change that.

Related tools

Presumptive eligibility checker — which track are you on?
All tools — advance tax and GST tools are next.

Last verified: 2 September 2026 — slab rates, ₹60,000/₹12L rebate, marginal relief and 4% cess cross-checked against post-Budget-2026 coverage and the text of s.202/s.156, Income-tax Act 2025 (Budget 2026 made no rate changes) · Reviewed with a practising CA's responses (2 September 2026) — still not tax advice.