🧮 Quick math for real life
Free Online Calculators
Instant financial, math, and business calculators for real-world decisions. No signups, no tracking, no nonsense.
All Calculators
GST Calculator
Calculate GST amounts and totals for any tax rate.
Compound Interest Calculator
See how your money grows with compound interest over time.
Percentage Calculator
Quick percentage calculations: what is X% of Y?
SIP Calculator
Systematic investment plan growth projections.
EMI Calculator
Calculate loan EMIs with an amortization table.
FD Calculator
Fixed deposit maturity and interest projections.
In-Hand Salary Calculator
CTC to take-home with full deduction breakdown.
Income Tax Calculator
Indian income tax with old and new regime.
Gratuity Calculator
Calculate gratuity amount based on service years.
HRA Calculator
House rent exemption using least-of-3 rules.
PF Calculator
Employee/employer PF contribution projections.
NPS Calculator
National Pension Scheme corpus and pension.
Retirement Corpus Calculator
Calculate savings needed for a secure retirement.
SWP Calculator
Systematic withdrawal plan income projections.
Profit Margin Calculator
Profit, margin% and markup% calculations.
Breakeven Calculator
Units and revenue needed to break even.
ROI Calculator
Return on investment with annualized rate.
Commission Calculator
Sales commission with tiered rate support.
Pricing Calculator
Selling price from cost and desired margin.
Simple Interest Calculator
Simple interest on principal over time.
Loan Calculator
Full loan amortization with prepayment option.
Tip Calculator
Tip amounts split between any number of people.
BMI Calculator
Body mass index with healthy weight range.
Age Calculator
Exact age with birthday countdown.
Date Difference Calculator
Days, weeks, hours between any two dates.
Unit Converter
Length, weight, temperature, area, volume, speed.