Contando

What Contando is

Contando is a Spanish website offering free personal-finance and everyday calculators. It requires no registration or email address and displays results immediately. The site states that outputs are estimates rather than professional advice.

Available calculators

• Take-home pay from annual gross salary, with income tax and social-security deductions using a 2026 reference
• Mortgage repayments, total interest and total loan cost
• Severance for unfair or objective dismissal using Spanish day and cap rules
• Compound-interest savings projections with monthly contributions
• Adding or removing VAT at 21%, 10% and 4%
• Percentages, proportions and percentage change
• Body mass index, WHO category and a height-based healthy-weight range
• Direct and inverse rule of three
• Discounted price and amount saved
• Days, weeks and months between two dates

How the site operates

The site is funded through Google AdSense. Advertising cookies can be accepted or rejected without disabling the calculators, which are presented as updated for 2026.

Contact information

Contact, legal notice, privacy and cookie pages are linked, but no phone number, email or postal address appears in the profile information.

Contando’s appeal is immediacy: it turns common Spanish payroll, tax and employment questions into simple inputs and readable estimates without requiring an account.