Numbers made simple.
Free, fast calculators for money, percentages, dates and everyday decisions. Clear inputs, instant results, and no account required.
Popular calculators
Choose a tool and get an answer instantly.
Compound Interest Calculator
See how an investment can grow with compounding and regular contributions.
FinanceLoan Calculator
Estimate monthly payments, total interest and total repayment.
FinanceMortgage Calculator
Estimate monthly principal and interest for a home loan.
FinanceSavings Calculator
Project future savings from a starting balance and regular deposits.
FinancePercentage Calculator
Calculate percentages, percentage change and reverse percentages.
EverydayVAT Calculator
Add or remove VAT from a price in seconds.
BusinessSimple Interest Calculator
Calculate interest without compounding.
FinanceAge Calculator
Find exact age in years, months and days.
DatesDays Between Dates
Count the number of days between any two dates.
DatesFuel Cost Calculator
Estimate trip fuel cost from distance, efficiency and fuel price.
TravelBuilt for clarity
Calcuno keeps calculations simple without hiding the useful details.
⚡ Instant results
No sign-up and no waiting. Calculations happen directly in your browser.
💱 Multiple currencies
Financial tools support USD, EUR, GBP, CAD, AUD and CHF.
📱 Mobile friendly
Designed to work smoothly on phones, tablets and desktop computers.