GST, salary, loan & business calculators
12 free calculators built for Indian tax, payroll, and business math. No signup, ever.
GST Calculator
Add or remove GST from any amount, with CGST/SGST or IGST split.
GST Invoice Generator
Build a GST-compliant invoice with line items, HSN codes, and tax breakup - then print or save as PDF.
Salary Calculator
Break down an annual CTC into basic, HRA, deductions, and estimated monthly in-hand salary.
Employee Cost Calculator
Work out the true cost of hiring someone - gross salary plus employer PF, ESI, gratuity, and bonus.
PF / ESI Calculator
Calculate employee and employer PF and ESI contributions from Basic+DA and gross salary.
Loan Calculator
Full loan EMI with a year-by-year amortization schedule showing principal vs interest paid.
EMI Calculator
Quick monthly EMI, with a visual principal-vs-interest split of your total repayment.
Rent vs Buy Calculator
Compare the long-term financial outcome of renting vs buying a home over your expected holding period.
Break-Even Calculator
Find how many units you need to sell to cover your fixed costs - and your margin of safety beyond that.
Pricing Calculator
Work out a selling price from your cost using either margin or markup, plus GST-inclusive pricing.
Freelancer Invoice Calculator
Total up line items, apply GST and TDS, and see exactly what you'll actually receive.
Commission Calculator
Calculate commission on a sale using a flat rate or progressive tiered slabs.