Free online calculators and tools
Quick, accurate and free. Loan EMI, SIP returns, GST, percentages, age, BMI and word counts, all worked out in your browser.
EMI Calculator
Work out your monthly EMI, total interest and total payable for a home, car or personal loan.
SIP Calculator
Estimate how much your monthly SIP could grow to over time, with the amount invested and the gains.
GST Calculator
Add or remove GST at 5%, 12%, 18% or 28%, and see the CGST and SGST split for intra-state sales.
Percentage Calculator
Calculate a percentage of a number, what percent one number is of another, and the percentage increase or decrease.
Age Calculator
Find your exact age in years, months and days, the total days you have lived, and days to your next birthday.
BMI Calculator
Calculate your body mass index (BMI) from your weight and height, and see the healthy weight range for your height.
Word Counter
Count words, characters, sentences and paragraphs as you type, with an estimated reading time. Nothing is uploaded.
Why use CalcHub?
Every calculator here shows its formula and assumptions, so you can check the numbers before you rely on them. Nothing you enter is sent to a server, and there is no sign-up.