Type any measurement — decimals, fractions like 5 3/8, or feet-and-inches like 5 6 3/8 (auto-reads as 5' 6 3/8"). Add, subtract, multiply, divide. Result comes back as a clean fraction you can read right off a tape.
Factorial Calc
÷ denom:(optional — shows ratio)
Type any factorial expression using n! notation — supports +, −, ×, ÷ and parentheses. Set a denominator to see the ratio and how close it lands to π (put 120 in the denominator field and it shows the ratio automatically).