Welcome to Grinebiter
Welcome to Grinebiter. We hope you will find our collections interesting, and our calculators and converters useful and helpful.
What Number Calculator
If you take x percent of a number and get y, then what is that number?
Sum of Digits Calculator
Here you can enter any number to calculate sum of its digits.
cm in height converter
Need to know cm in height? No problem! Just go here.
Our Number Lookup gives you tons of interesting information about the number of your choice.
Here you can find the product of any two numbers.
Simplest Form Calculator
Enter a fraction to calculate and convert it to its simplest form.
Convert one coin denomination to another denomination while keeping the same value.
Greatest Common Divisor Calculator
Quickly calculate the greatest common divisor of any two numbers.