Maths Tools
11 free tools tagged with "maths"
Maths & Science
(8)Percentage Calculator
Calculate percentages easily — find X% of a number, percentage change, increase and decrease. Four calculators in one tool.
Fraction Calculator
Add, subtract, multiply and divide fractions with step-by-step working. Shows results as improper fraction, mixed number and decimal
Sum Calculator
Add up numbers instantly. Paste numbers in any format - one per line, comma-separated, or mixed in with text. Shows sum, average, min, max, and count.
Number to Words Converter
Convert any number to written English words. Supports negatives, decimals, and numbers up to quadrillions. Toggle between UK and US English formats.
Logarithm Calculator
Calculate logarithms in any base with presets for log10, natural log and log2 plus antilog and change of base formula
Prime Number Checker
Check if a number is prime, see its factors if composite, and find the next 10 prime numbers with list primes up to N
Greatest Common Factor Calculator
Find the GCF and LCM of two or more numbers with prime factorisation and step-by-step Euclidean algorithm working
Scientific Notation Converter
Convert between standard and scientific notation showing mantissa and exponent separately for very large and small numbers
Education
(3)Times Tables Practice
Interactive times tables drill with instant feedback and score tracking. Pick your tables, race the clock, and print practice worksheets. Perfect for kids and classrooms.
Maths Worksheet Generator
Generate printable maths worksheets with addition, subtraction, multiplication, and division. Set difficulty, number range, and question count. Includes answer keys.
Number Facts
Get interesting mathematical and trivia facts about any number you enter.
Explore our collection of 11 free maths tools. Each tool works directly in your browser with no sign-up required. From calculators and converters to generators and planners - find the right tool for your needs and get results instantly.