All Calculators & Mathematical Tools
Explore our complete suite of 14 free, client-side, mobile-friendly calculators designed specifically for Indian tax rules, payroll compliance, and everyday arithmetic.
CTC to In-Hand Salary Calculator
Calculate your real monthly take-home salary after PF, Professional Tax, and Income Tax TDS under Old vs New Tax Regimes with custom charts.
Launch Calculator →Percentage Calculator
4-in-1 percentage solver: calculate X% of Y, find ratios, compute percentage increase or decrease, and calculate percentage variance.
Launch Calculator →Income Tax Calculator (FY 2026-27)
Compare Old vs New Tax Regime side by side with slab breakdowns, ₹75,000 standard deduction, and Section 87A rebate rules.
Launch Calculator →HRA Exemption Calculator
Determine your tax-exempt House Rent Allowance under Section 10(13A) with Metro (50%) and Non-Metro (40%) rules.
Launch Calculator →EPF / PF Calculator
Project your total Employees' Provident Fund retirement corpus with monthly employee/employer deposits and 8.25% interest compounding.
Launch Calculator →Gratuity Calculator
Compute legal gratuity payout under the Payment of Gratuity Act 1972 (15/26 formula) and verify your ₹20 Lakh tax exemption limit.
Launch Calculator →GST Calculator India
Add GST to net prices or reverse-calculate GST from inclusive totals across standard slabs (5%, 12%, 18%, 28%) with CGST and SGST splits.
Launch Calculator →Salary Hike Calculator
Calculate your percentage appraisal increment, new annual CTC, and monthly salary jump after an appraisal or job switch.
Launch Calculator →Loan EMI Calculator
Calculate monthly installments for Home, Car, and Personal loans with total interest breakdown and full amortization schedule.
Launch Calculator →Mutual Fund SIP Calculator
Project your future investment corpus from monthly Systematic Investment Plans with CAGR returns and compounding charts.
Launch Calculator →Discount Calculator
Calculate shopping savings, double sequential discounts (e.g. 50% + 10%), and final billing prices with sales tax.
Launch Calculator →Profit & Loss / Margin Calculator
Analyze gross profit margins vs markups on cost, calculate selling prices, and determine commercial business profitability.
Launch Calculator →Age Calculator
Find exact chronological age down to years, months, and days, upcoming birthday countdown, and government competitive exam eligibility.
Launch Calculator →Simple & Compound Interest Calculator
Compare Simple Interest vs Compound Interest side by side with customizable compounding intervals and see the compounding advantage.
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