Calculators

Powerful online calculators for everyday use. From scientific calculations to financial planning.

32 Calculators Available

Age Calculator

Calculate your exact age in years, months, and days.

Percentage Calculator

Calculate percentages, percentage increase, decrease, and more.

BMI Calculator

Calculate BMI for adults, children, and infants with our free online calculator. Supports metric and imperial units with WHO and CDC guidelines.

Compound Interest Calculator

Calculate compound interest, final balance, and interest earned over time.

Margin Calculator

Calculate gross profit margin, markup, and revenue from cost and selling price.

Grade Calculator

Calculate your overall grade and GPA. Supports simple and weighted grade calculations.

GPA Calculator

Calculate your semester or cumulative GPA on a 4.0 scale with credit hours.

Tip Calculator

Tip Calculator - Split Bills & Calculate Tips

Discount Calculator

Discount Calculator - Find Sale Price & Savings

Percent Off Calculator

Percent Off Calculator - Calculate % Off Any Price

Salary Calculator

Salary Calculator - Hourly, Monthly & Annual Pay

Loan Calculator

Loan Calculator - Monthly Payment & Total Interest

Simple Interest Calculator

Simple Interest Calculator - Principal, Rate & Time

Savings Calculator

Savings Calculator - Balance Growth & Interest

Date Calculator

Date Calculator - Days Between Dates & Date Math

Hours Calculator

Hours Calculator - Time Between Two Times

Day Counter

Day Counter - Count Days Between Two Dates

Fraction Calculator

Fraction Calculator - Add, Subtract, Multiply, Divide

Average Calculator

Average Calculator - Mean, Median, Mode & Range

Area Calculator

Area Calculator - Rectangle, Circle, Triangle & More

Square Footage Calculator

Square Footage Calculator - Room & Floor Area

Sleep Calculator

Sleep Calculator - Best Bedtime & Wake-Up Times

Random Number Generator

Random Number Generator - Generate Random Numbers

401k Calculator

Estimate your 401(k) balance at retirement with employer match and investment growth.

Mortgage Calculator

Calculate monthly mortgage payments with taxes, insurance, and PMI.

Paycheck Calculator

Calculate your US take-home pay after federal tax, Social Security, Medicare, and state income tax.

Sales Tax Calculator

Calculate sales tax for any US state plus local tax. Add or remove tax from any amount.

Home Loan EMI Calculator

Calculate EMI, total interest, and repayment schedule for your home loan.

SIP Calculator

Calculate returns on your Systematic Investment Plan (SIP) with monthly compounding.

GST Calculator

Calculate GST amount for any product or service under Indian GST slabs.

PPF Calculator

Calculate PPF maturity amount, interest earned, and year-by-year breakdown.

HRA Calculator

Calculate your House Rent Allowance (HRA) tax exemption under Indian income tax rules.

About Our Calculators

Available Calculators
  • Age — Calculate exact age from date of birth
  • GPA — 4.0 scale semester & cumulative GPA
  • Grade — Simple, weighted & final exam needed
  • Compound Interest — Multi-currency, with step-up
  • 401(k) — US retirement savings projector
  • Margin — Profit margin, markup & revenue
  • EMI — Home loan with amortization schedule
  • SIP — Mutual fund SIP with step-up option
  • GST — Add/remove GST, IGST/CGST+SGST
  • PPF — 15-year PPF maturity calculator
  • HRA — Tax exemption under Section 10(13A)
Features
  • Multi-currency support (USD, INR, EUR, GBP…)
  • India-specific calculators (GST, SIP, PPF, HRA)
  • US retirement calculators (401k)
  • Real-time results as you type
  • Detailed breakdowns & charts
  • No data stored or sent to server
  • 100% free forever

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