Calculators
From your next investment to your next grocery bill.
Find the right calculator for money, work and life.
Find your next calculator
Find your tool, enter your numbers and get a clear result — with the calculation method and assumptions included.
FeaturedGST Amount Calculator
Add GST to a price or separate the tax from an inclusive amount.
FeaturedEMI Calculator
Calculate monthly loan EMI, total interest and repayment at a fixed rate.
FeaturedSIP Calculator
Project the value of monthly SIP contributions at an assumed return.
Salary Calculator
Break down gross salary, deductions and estimated take-home pay.
Percentage Calculator
Find a percentage of a number or compare a part with its whole.
BMI Calculator
Calculate adult BMI from height and weight, with its screening category.
Age Calculator
Find age in years, months and days between a birth date and reference date.
Discount Calculator
Calculate the saving and final price after a discount.
FD Calculator
Estimate fixed-deposit interest and maturity at your chosen compounding frequency.
Profit Margin Calculator
See what share of revenue remains as profit after costs.
Income Tax Calculator
Estimate ordinary-income tax for FY 2025–26 under the selected tax regime.
CTC to In-Hand Salary Calculator
Convert annual CTC into estimated monthly in-hand salary.
GST Inclusive/Exclusive Calculator
Switch between GST-inclusive and GST-exclusive prices at your chosen rate.
CGST-SGST Calculator
Split intra-state GST into equal CGST and SGST amounts.
IGST Calculator
Work out IGST on an inter-state supply using the applicable rate.
GST Reverse Calculator
Recover the taxable value and GST amount from a tax-inclusive price.
GST Rate Finder
Find the implied GST rate from an invoice's taxable and total amounts.
GST Late Fee Calculator
Estimate a GST late fee using delay days, daily charges and a cap.
GST Interest Calculator
Calculate GST interest from the outstanding tax, annual rate and delay.
GST Composition Scheme Calculator
Estimate the composition levy on turnover at the rate you enter.
GST Input Tax Credit Calculator
Compare eligible input tax credit with tax liability and reversals.
GST Invoice Tax Calculator
Total the GST on invoice lines with different taxable values and rates.
TDS Calculator
Calculate TDS from a taxable payment and the deduction rate you enter.
TCS Calculator
Calculate TCS on the collection base and rate applicable to your transaction.
Showing 1–24 of 490
A calculator for every little “how much?”Browse 17 categories, from everyday essentials to specialist tools.
Choose the calculation you need
Start with a category to see every calculator in that collection. Each tool includes its inputs, method, worked example and answers to common questions. Calculations run in your browser, with no account needed.
GST, Tax & Compliance 34
Work through GST, invoice tax, deductions and ordinary-income tax estimates with the tax base and period made explicit.
Explore calculators →Loans & Credit 30
Compare repayments, interest costs and borrowing budgets before choosing a loan structure.
Explore calculators →Investments & Savings 44
Explore savings goals, compounding and investment cash flows using assumptions you can change.
Explore calculators →Salary, HR & Payroll 28
Break salary and payroll figures into earnings, employer costs and deductions for a consistent period.
Explore calculators →Business, Invoice & Accounting 51
Understand pricing, margins, cash flow and business performance from your own records.
Explore calculators →Everyday Money & Shopping 31
Compare everyday prices, shared costs and budgets with the same quantities and billing periods.
Explore calculators →Math & Percentage 38
Work through arithmetic, algebra and statistics with explicit inputs and a reproducible method.
Explore calculators →Health & Fitness 30
Explore body measurements, activity and nutrition estimates while keeping the selected method visible.
Explore calculators →Date, Time & Age 24
Check calendar intervals, working days and milestone dates without counting them by hand.
Explore calculators →Units & Conversions 33
Convert measurements with the unit definitions visible, including editable local or exchange-rate factors.
Explore calculators →Real Estate & Construction 30
Plan property costs, floor areas and material quantities using your dimensions and local rates.
Explore calculators →Education & Student 22
Check grades, attendance, exam preparation and study costs using the criteria relevant to your institution.
Explore calculators →Engineering & Electrical 25
Estimate electrical quantities, power and equipment requirements with the formula and load assumptions shown.
Explore calculators →Food & Kitchen 17
Scale recipes, estimate portions and compare ingredient costs with consistent weights and serving sizes.
Explore calculators →Digital, Creator & Web 22
Check campaign metrics, creator estimates and media sizes using the definitions in your own reports.
Explore calculators →Automotive & Transport 16
Compare vehicle running costs, trip budgets and efficiency from measured use and entered prices.
Explore calculators →Environment & Utility 15
Estimate energy costs, water use and emissions from consumption records and clearly stated factors.
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