Your Free Online Calculator Hub
Fast, accurate calculators for finance, tax, and everyday math. No sign-up required — get instant results as you type.
Popular Calculators
SIP Calculator
Calculate your Systematic Investment Plan returns and see how your wealth grows over time.
FinanceEMI Calculator
Calculate your Equated Monthly Installment for home, car, or personal loans.
FinanceFD Calculator
Calculate Fixed Deposit maturity amount and interest earned with quarterly compounding.
FinanceRD Calculator
Estimate Recurring Deposit maturity value and interest for monthly savings plans.
FinancePPF Calculator
Plan your Public Provident Fund investments and estimate tax-free maturity corpus.
FinanceCompound Interest Calculator
See how your money grows with compound interest at different compounding frequencies.
TaxHRA Calculator
Calculate House Rent Allowance tax exemption under Indian Income Tax rules.
TaxGST Calculator
Calculate GST amount for exclusive or inclusive pricing with Indian GST slabs.
MathPercentage Calculator
Find percentages, percentage of a number, and percentage change between values.
FinanceSimple Interest Calculator
Calculate simple interest on principal amount for loans and investments.
MathDiscount Calculator
Calculate discounted price and total savings on any purchase.
FinanceEPF Calculator
Calculate your Employee Provident Fund maturity amount and interest earned.
TaxIncome Tax Calculator
Compare old vs new tax regime and calculate income tax for FY 2025-26.
FinanceNPS Calculator
Calculate your NPS corpus and estimated monthly pension at retirement.
TaxTDS Calculator
Calculate Tax Deducted at Source on salary, professional fees, rent and other payments.
FinanceCTC to In-Hand Salary Calculator
Calculate your monthly in-hand salary from CTC with PF, professional tax and income tax deductions.
TaxCapital Gains Tax Calculator
Calculate LTCG and STCG tax on shares, mutual funds, property, and gold for FY 2025-26.
About CalcBlox
CalcBlox provides free, easy-to-use online calculators for Indian users and anyone who needs quick financial and mathematical answers. Our tools are built for clarity — real-time results, transparent formulas, and mobile-friendly design.