Calculators and Conversion Tools
The HelloSafe team has developed free online tools to help you manage your business, your expenses and more generally your daily life.
Summary
Our calculators for businesses and workers
Invoice generator
Create invoices in seconds online for free. Download as a PDF.
Percentage calculator
Calculate the percentage of an amount with our calculator.
Average calculator
Calculate a weighted average with our online calculator.
Hourly wage to annual salary calculator
Calculate a weighted average with our online calculator.
Take-home pay calculator
Discover in seconds your take-home pay.
Sales tax calculator
Calculate your sales tax in seconds.
Car sales tax calculator
Quickly calculate sales tax for your vehicle
Debt ratio calculator
Calculate your sales tax in seconds.
Real estate profitability calculator
Calculate potential rental property returns in seconds.
Property tax calculator
Estimate your property tax
Freelancer Salary Calculator
Calculate your annual salary from your day rate.
Our converters
Convert cm / inches
Convert centimetres to inches.
Convert feet / metre
Convert centimetres to inches.
Conversion square meters / square feet
Convert square meters into square feet.
Convert kilos / pounds
Convert kilos to pounds and the other way around in a few seconds.
Our calculators for health and well-being
BMI Calculator
Calculate your Body Mass Index in 10 seconds.
Ovulation Tracker
Anonymously track your cycle
Our other calculators
Blood alcohol level
Calculate your blood alcohol level with our online calculator before driving.
Date calculator
Calculate the time in-between two dates in seconds.
Gas consumption
Calculate your gas budget according to your journey, online.
Internet Speed Test
Calculate the speed of your internet, online.
Student loan calculator
Calculate student loan payments and amortization
HELOC calculator
Calculate how large a HELOC you can get