Financial Calculators
Browse our collection of free financial calculators. Whether you need to calculate your reverse tax, convert a salary to hourly, or model compound interest growth, find the right tool instantly below.
Reverse Tax Calculator
Find the original pre-tax price from any total. Supports US sales tax by state, UK VAT, Australia GST, Canada GST/HST, and any custom rate.
Canada HST Calculator
Remove or add HST/GST from any Canadian price. All 13 provinces and territories with 2026 verified rates — Ontario, Nova Scotia, Quebec, Alberta and more.
Reverse HST Calculator Canada
Remove HST or GST from any Canadian price instantly. All 13 provinces with 2026 verified rates — Ontario 13%, Nova Scotia 14%, Alberta 5% and more.
Compound Interest Calculator
See how your savings and investments grow with compound interest over time.
Salary Calculator
Calculate your exact net salary after tax, NI, and deductions.
Hourly to Annual Calculator
Convert any hourly wage to annual, monthly and weekly salary instantly.
Salary to Hourly Calculator
Convert any annual salary to an hourly rate instantly.
Overtime Pay Calculator UK
Calculate your extra earnings and total gross pay with time and a half or double time. Fast, frictionless UK pay insights.
Credit Card Payoff Calculator
See the real total cost of your credit card debt — interest, fees, and your true debt-free date. Compare against minimum payments.
Country-Specific Calculators
Calculators pre-loaded with local cards, rates, and rules for your country.