All Calculators
22 free tools across 4 categories — no sign-up required
💰 Financial Calculators (9)
Mortgage Calculator
Monthly payments & amortization
Loan Calculator
Personal, auto & student loans
Tax Calculator
Federal income tax estimator
Compound Interest
Investment growth projection
Tip Calculator
Split bills with tip
Discount Calculator
Sale price & savings
Affordability Calculator
How much house can I afford
Retirement Calculator
Retirement savings projection
Currency Converter
40+ world currencies
❤️ Health & Fitness Calculators (4)
BMI Calculator
Body Mass Index & category
Body Fat Calculator
US Navy body fat method
Calorie Calculator
Daily TDEE & macros
Pregnancy Calculator
Due date & timeline
🔢 Math & Education Calculators (4)
Percentage Calculator
Percent of, increase, decrease
Fraction Calculator
Add, subtract, multiply, divide
GPA Calculator
Grade point average
Days Between Dates
Date difference calculator
⏰ Time & Productivity Calculators (5)
Age Calculator
Exact age in years, months, days
Unit Converter
Length, weight, temp, volume
Time Zone Converter
Convert between world time zones
Word Counter
Words, characters, reading time
Countdown Timer
Days until a target date
🇬🇧 UK-Specific Calculators (12)
UK Tax Calculator
Income tax & National Insurance
UK Mortgage Calculator
Monthly payment & Stamp Duty
UK Affordability Calculator
How much can I borrow
UK Retirement Calculator
Pension pot & State Pension
UK Salary Calculator
Take-home pay & salary sacrifice
UK National Insurance
Class 1 NI contributions
UK Savings Calculator
ISA & savings growth
UK Stamp Duty
SDLT on property purchases
UK Car Finance
PCP, HP & PCH payments
UK Credit Card
Repayment time & interest
UK Personal Loan
Monthly payments & interest
UK Interest Rate
Compare bank savings rates
🇮🇳 India-Specific Calculators (4)
India Salary Calculator
Take-home pay, CTC & tax (New vs Old)
SIP + SWP Calculator
Mutual fund SIP with step-up & SWP
Home Loan vs Rent
Buy or rent? Compare both scenarios
Job Transition Tracker
Notice period cashflow & FnF planning