Free online calculators
Quick, accurate calculators for money, studies, health and everyday maths — built for India, with the formula and a worked example on every page. Nothing to install and no sign-up.
- Percentage CalculatorPercent of a number, percent of a total and percentage change — in one place.
- Car Loan EMI CalculatorOn-road price, down payment and tenure in — EMI, interest and full cost out.
- EMI CalculatorMonthly EMI, total interest and a full repayment schedule for any loan.
- Age CalculatorExact age in years, months and days — and your age on any date.
- GST CalculatorAdd or remove GST at any rate, with the CGST / SGST / IGST split.
- BMI CalculatorYour BMI, its category for Indian adults and your healthy weight range.
- SIP CalculatorWhat your monthly SIP could grow to — with an optional yearly step-up.
- Discount CalculatorFinal price, savings and the real value of stacked discounts.
- Scientific CalculatorTrigonometry, logarithms, powers and roots — with keyboard support.
- CGPA to Percentage CalculatorCBSE and university formulas, with the exact formula shown.
- Salary CalculatorCTC to monthly in-hand pay, with EPF and income tax (new and old regime).
- Compound Interest CalculatorAny compounding frequency, optional monthly deposits, year-wise growth.
- FD CalculatorMaturity value and interest the way Indian banks calculate it.
- Home Loan EMI CalculatorEMI, total interest and the yearly principal / interest split for your home loan.
- Simple Interest CalculatorInterest and total amount — or solve for rate, time or principal.
- Date Difference CalculatorDays between dates, working days, and date plus or minus days.
- GPA CalculatorSGPA from credits and grades, CGPA across semesters.
- Calorie CalculatorBMR, maintenance calories and targets to lose or gain weight.
- Profit and Loss CalculatorProfit or loss, profit %, margin and markup from cost and selling price.
- Electricity Bill CalculatorUnits or appliances in — slab-wise bill out. Edit slabs for your state.
- Square Feet CalculatorRoom or plot area in sq ft, sq m, gaj and acres — plus cost.