Business Calculation Tools for Quick, Clear Numbers
Work out late payment interest, margin, advance tax, depreciation, TDS and EMI in seconds. Simple calculators made for Indian businesses, from Billing Saathi.
- 6 calculators
- Instant results
- Works on mobile
Pick a Calculator and Get Your Answer
Each tool does one job, so you can get the number you need without a spreadsheet.
Late Payment Interest
Find the interest owed on overdue invoices based on the amount, rate and number of days late.
Open calculatorMargin & Markup
Check your profit margin and markup, or work out the selling price you need to hit a target.
Open calculatorAdvance Tax Planner
Plan your advance tax instalments and see how much to pay by each due date.
Open calculatorDepreciation Calculator
Work out yearly depreciation on your assets and see their value going down over time.
Open calculatorTDS Calculator
Calculate the tax to deduct at source on a payment, so you deduct the right amount.
Open calculatorEMI Calculator
Get your monthly loan instalment, total interest and total repayment for any loan.
Open calculatorWhat Each Calculator Does
A closer look at every tool, what you enter, and what you get back.
EMI Calculator
Know exactly what a loan will cost you each month. Enter the loan amount, interest rate and tenure, and see your monthly instalment, the total interest and the total you will repay.
- Loan amount
- Annual interest rate
- Loan tenure (years or months)
- Monthly EMI
- Total interest payable
- Total amount to repay
Margin & Markup
Price your products with confidence. Enter your cost and selling price to see your profit margin and markup, or work backwards to find the selling price for the margin you want.
- Cost price
- Selling price, or the margin you want
- Profit amount
- Margin percentage
- Markup percentage
Late Payment Interest
Work out the interest on overdue invoices. Enter the unpaid amount, the interest rate and the dates, and get the interest for the days the payment was late.
- Overdue amount
- Interest rate per year
- Due date and payment date
- Number of days late
- Interest amount
- Total amount payable
Advance Tax Planner
Plan your advance tax instead of paying in a rush. Enter your estimated tax for the year and see how much to pay by each instalment date.
- Estimated tax for the year
- Tax already paid or deducted
- Amount due for each instalment
- Due dates for the year
- Balance still to pay
Depreciation Calculator
See how an asset loses value over time. Enter its cost, useful life or rate, and the method to get the depreciation for each year and the remaining book value.
- Asset cost
- Salvage value
- Useful life or rate, and method
- Depreciation for each year
- Book value after each year
TDS Calculator
Deduct the right amount of tax at source. Enter the payment amount and the applicable TDS rate to see the tax to deduct and the net amount you pay.
- Payment amount
- TDS rate or section
- TDS amount to deduct
- Net amount payable
Three Steps to Your Result
No setup and no formulas to remember.
- 1
Choose a calculator
Pick the tool that matches what you need to work out.
- 2
Enter your numbers
Fill in a few simple details such as amount, rate and dates.
- 3
See the result
Get the answer instantly and use it in your billing and planning.
Less Guesswork, Faster Decisions
Get the numbers you need before you invoice, pay tax or take a loan.
Skip the spreadsheet and formulas
Enter a few details and the calculator does the maths for you, so you spend less time checking figures by hand.
- Simple inputs with clear labels
- Results shown instantly as you type
- Works on phone, tablet and desktop
Know your numbers before you commit
Check interest, margins, tax and loan payments up front, so there are fewer surprises on due dates and in your cash flow.
- Price products with the margin you want
- Plan tax payments before they fall due
- Compare loan instalments and interest costs
Handy for Every Kind of Business
If you send invoices, pay tax or manage loans, these tools save you time.
Frequently Asked Questions
Which calculators are available?
Are the results official tax figures?
Can I use these on my phone?
How do these connect to Billing Saathi?
Ready to simplify your billing too?
Try Billing Saathi for GST invoicing, e-invoices, e-way bills and reports in one place.
Start Free TrialThese calculators give estimates for planning only and are not tax, legal or financial advice. Rates, limits and rules can change, so please confirm with your tax professional or the official source.