Explore Calculator tools
Enter the required numbers and check units before running the calculation. Results are intended as convenient estimates rather than professional advice.
Percentage Calculator ↗
Find what percentage one number is of another.
CalculatorAge Calculator ↗
Calculate age in years, months and days.
CalculatorRandom Number Generator ↗
Generate a cryptographically secure random integer within your chosen range.
CalculatorTip Calculator ↗
Calculate a restaurant tip and split the bill between people.
CalculatorDiscount Calculator ↗
Calculate the final price and savings after a percentage discount.
CalculatorAverage Calculator ↗
Find the average, sum and count of a list of numbers.
How to choose a calculator tool
Enter the required numbers and check units before running the calculation. Results are intended as convenient estimates rather than professional advice.
Common uses
Shopping discounts, budgeting, splitting bills and quick comparisons.
Frequently asked questions
Do I need an account?
No. The current public ToolNest utilities are available without signing up.
Where can I learn more?
Each tool includes instructions. Visit our blog for additional guides, or browse all online tools.