Our Free Online Calculators and Conversion Tools

The HelloSafe team has developed a collection of free online calculators and tools to help you manage your finances, optimise investments, track expenses, and make smarter financial decisions. Whether you are a trader, investor, or business owner, these tools will simplify complex calculations and give you accurate insights into your financial future.

Average Calculator

Averages are used in many aspects of daily life—from academic performance to business analytics and investment returns. Whether you need to calculate your GPA, track stock price fluctuations, or evaluate business expenses, our Average Calculator makes the process simple and accurate.

Instead of manually adding numbers and dividing by the count, our calculator automates the entire process. Simply enter your dataset, and it will instantly compute the mean value. This tool is especially useful for students, analysts, business owners, and traders who frequently work with numerical data.

By understanding averages, you can spot trends, compare performance metrics, and make data-driven decisions with confidence.

Try our Average Calculator today and simplify your calculations!

Percentage Calculator

Percentages are everywhere—whether you're figuring out discounts during a sale, calculating investment growth, or understanding interest rates on loans. Our Percentage Calculator helps you quickly determine percentage increases, decreases, and proportion-based calculations without the hassle of manual math.

This tool is particularly helpful when:

• Calculating GST on products and services in Singapore.
• Determining discounted prices during sales promotions.
• Measuring percentage change in stock prices or investment returns.
• Figuring out loan interest rates and repayment calculations.

With our calculator, you can enter the initial and final values to compute percentage changes instantly. Whether you’re shopping, investing, or managing business finances, this tool helps you make informed financial decisions efficiently.

Use the Percentage Calculator now to make quick and accurate percentage calculations!

Our guides

• Percentage Calculator: Calculate Percentages Online Instantly
• Average Calculator: How to Calculate an Average

Cheryl Tan

Cheryl is a Singapore-based financial writer with a passion for digital education and personal finance empowerment. She holds a degree in Business and Economics from Nanyang Technological University (NTU) and a postgraduate diploma in Financial Journalism from the National University of Singapore (NUS). Before joining HelloSafe, she worked in the fintech and insurance sectors, where she developed user-centric content to help Singaporeans make more informed money decisions. At HelloSafe, Cheryl focuses on crafting clear, actionable guides around savings, insurance, budgeting, and financial planning—always with the aim of simplifying finance for everyday users in Singapore.