Resources
Free tools
17 calculators and checkers. Every answer shows the working and the rule behind it. What you enter stays on your device.
Pick up where you left off
Your figures are still filled in on this device.
Does this rule apply to me?
Checkers that tell you whether a rule, limit or registration applies.
Cost Audit Applicability Checker
Check whether cost records and cost audit may apply to your company, based on sector, turnover, MSME classification and exemptions.
Use the tool →MSME Payment Checker
Check payment deadlines to micro and small suppliers, the year your deduction falls in, and indicative interest. One invoice or up to 20.
Use the tool →Turnover Threshold Checker
See which GST, income tax, Companies Act and MSME requirements your figures may trigger, and which thresholds you are approaching.
Use the tool →TDS & TCS Checker
Whether TDS applies to a payment or TCS to a sale, the rate and amount, the new section, when to deduct, collect and deposit, and interest if you are late.
Check a payment →Work out a number
Calculators for interest, late fees, prices, break-even and working capital.
GSTR-2B Reconciliation Check
Match GSTR-2B with your purchase register, invoice by invoice, and see the credit at risk. Files never leave your device.
Check my credit →Product Cost Sheet Builder
Build the full cost of a product in the CAS-4 layout and get a price that protects your margin.
Build my cost sheet →Loan Readiness Check
See your DSCR, current ratio and borrowings the way a bank does, with a lender-style score and what to fix.
Check my readiness →GST Interest & Late-Fee Estimator
Late fee and interest on a GST return filed after its due date, split between CGST and SGST, with the three-year filing limit.
Use the estimator →Income-tax Interest & Late-Fee Calculator
Interest on TDS or TCS deposited late, the late fee on a TDS statement or return, and interest on advance tax, with old and new sections.
Use the calculator →Break-Even Calculator
How many units you must sell to cover fixed costs, what each sale contributes, and your margin of safety.
Use the calculator →Price-Setting Calculator
A selling price from your cost using a margin or a markup, with GST and a list price that allows for discounts.
Use the calculator →Working-Capital Cycle Calculator
Debtor, inventory and creditor days, your cash cycle, and the cash tied up in working capital.
Use the calculator →Make-or-buy comparison
Compare the costs that change under each option and see the difference for your chosen quantity.
Use the calculator →Landed material cost per usable unit
Calculate total landed purchase cost and cost per usable unit after your expected normal loss allowance.
Use the calculator →Early-payment discount and credit cost
Compare the annualised cost of giving up a payment discount with your borrowing rate.
Use the calculator →When is it due?
Dates and checklists so nothing is missed.
Monthly TDS Checklist
The TDS and TCS dates for each month from July 2026 to June 2027, with every step from deduction to certificates, in order. Tick as you go and print.
Open the checklist →Compliance Calendar
GST, TDS, income tax and company filing due dates, with the recurring cycle and the annual calendar.
Open the calendar →