Free Finance Calculators

Quick, accurate calculators for enterprise finance teams. Enter your numbers, see the working, and download a report you can share with your CFO.

Tax and compliance (India)

Built on the current CGST Act and Income-tax Act rules, with due dates and rates worked out for you.

GST Interest Calculator
Section 50 interest on late GST paid in cash, interest on wrongly used ITC and the GSTR-3B late fee.
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TCS Calculator
TCS for tax year 2026-27 on scrap, minerals, cars above 10 lakh and LRS remittances, with or without PAN.
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TDS Late Payment Interest Calculator
Section 201(1A) interest at 1% and 1.5% a month with calendar-month counting, plus the 234E fee.
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Working capital, ROI and cost

For CFOs and controllers sizing cash, investments and finance software decisions.

DSO Calculator
Days sales outstanding three ways, days beyond terms, best possible DSO and cash tied up per day.
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Payback Period Calculator
Simple and discounted payback in years and months, with NPV and 5-year ROI.
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Total Cost of Ownership Calculator
Compare your current setup with a new finance platform over 3 or 5 years.
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AP Automation ROI Calculator
Savings on invoice processing, discounts, late fees and duplicates, with ROI and payback.
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