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Accurate, easy-to-use financial calculators for India — income tax, in-hand salary, HRA, rent receipts, SIP, EMI and gratuity. Fast, private and always free; your numbers never leave your browser.
All financial calculators
9 free calculators, live now — no login, and every number runs privately in your browser.
Tax & Salary
Rent Receipt Generator
Generate monthly rent receipts and a clean rent invoice format (with revenue stamp), and download a full year as a PDF for your HRA claim.
Open toolHRA Exemption Calculator
See how to calculate your HRA exemption under Section 10(13A), with automatic metro / non-metro rules.
Open toolIn-Hand Salary Calculator
Convert your CTC to monthly in-hand (take-home) salary, with a full breakup of EPF, professional tax and income tax.
Open tool8th Pay Commission Salary Calculator
Project your 8th Pay Commission salary hike — revised basic, DA, HRA and gross for any fitment factor, with an arrears estimate.
Open toolIncome Tax Calculator (Old vs New)
Compare the old vs new tax regime for FY 2026-27 and instantly see which one saves you more tax.
Open toolGratuity Calculator
Estimate your gratuity using the 15/26 formula under the Payment of Gratuity Act, including the tax-exempt portion.
Open toolInvestment
Why SahiCalc
Accurate numbers you can trust — run entirely in your browser. No login, no uploads, no catch.
Accurate & up to date
Built on the latest Indian tax slabs, EPF, HRA and gratuity rules — with the formula shown so you can trust the number.
100% private
Every calculation runs entirely in your browser. We never see, store or send your salary or financial data.
Blazing fast
Lightweight, no clutter, no login walls. Results update instantly as you type — even on a slow mobile connection.
Free forever
No sign-up, no paywall, no “premium” gate. Just clean, honest tools that give you a straight answer.