All calculators
Browse the current collection of focused, practical tools, with the same CalcNumber interface across every calculator.
Percentage Calculator
Calculate percentages, ratios and percentage changes.
Age Calculator
Calculate age and elapsed time between important dates.
EMI / Loan Calculator
Estimate monthly loan payments using amount, rate and repayment period.
SIP Calculator
Estimate the future value of recurring investment contributions.
GST India Calculator
Calculate inclusive or exclusive GST and research HSN/SAC classifications locally.
Stock Average Price Calculator
Calculate a weighted average purchase price or plan how much to buy to reach a lower target average.
HRA Calculator
Estimate HRA exemption and taxable HRA across one or more salary, rent or city periods.
Section 80C / Section 123 Calculator
Estimate the Tax Year 2026-27 deduction against the ₹1.5 lakh Section 123 cap.
NPS Tax Benefit Calculator
Estimate NPS deductions for own and employer contributions under Tax Year 2026-27 rules.
F&O Break-Even Calculator
Estimate NSE futures and options break-even prices after current transaction charges.
Try a broader term such as loan, age, tax or percentage.