Long multiplication calculator
Multiply large numbers step by step showing all partial products.
×
Long multiplication
Multiply each digit of one number by each digit of the other, shift by place value, then add all partial products.
Example: 347 × 56
347 × 6 = 2082. 347 × 50 = 17350. Sum: 2082 + 17350 = 19432.
Lattice method
An alternative grid method where you fill in products in a lattice and add along diagonals.
Popular percentage problems
Related calculators