40+ free calculators for %, finance, salary, tax, time, text and unit conversions. Pick your currency, get your answer.
VAT / GST calculator
Add or remove any tax rate worldwide
Salary calculator
Monthly → daily → hourly breakdown
Loan / EMI calculator
Monthly payment on any loan
Tip & bill splitter
Split any bill evenly with tip
Margin & markup
Profit margin % and markup %
Compound interest
Savings and investment growth
Currency converter
12 major world currencies
Percentage calculator
3 ways to calculate any percentage
Discount calculator
Final price after any % off
% increase / decrease
New value after any raise or cut
Word & character counter
Count words, chars & sentences
Text case converter
UPPER, lower, Title, Sentence case
Invoice number generator
Sequential invoice IDs with prefix
Hours worked calculator
Time in → time out, minus break
Days between dates
Days, weeks & months between dates
Age calculator
Exact age in years, months, days
Temperature converter
°C ↔ °F ↔ Kelvin
Unit converters
Length, weight, area & more
BMI calculator
Body mass index — metric & imperial