Calvix

Calculators that show their working

33 free calculators for EMIs, GST, income tax, SIPs, CGPA and the rest of Indian daily arithmetic. Every one shows the formula behind the answer, works in rupees by default, and never asks you to sign up.

Finance Calculators

Home loan, car loan, personal loan and EMI calculators built around Indian lending, with the total cost shown next to the monthly figure.

Tax & Salary Calculators

Indian income tax, GST, TDS, HRA exemption, gratuity and take-home pay, with the slab-by-slab working shown for the current financial year.

Investment Calculators

SIP, fixed deposit, recurring deposit and PPF returns, each using the compounding convention the Indian product actually follows.

Student Calculators

CGPA to percentage by university rule, how many classes you can still miss, and the marks you need in the end-semester exam.

Health Calculators

BMI with Indian cut-offs, calorie needs, body fat and water intake, using published formulas and honest about where they stop working.

Everyday Calculators

Percentages, sale discounts, restaurant bill splits with service charge and GST, exam-date countdowns and age as on a cut-off date.