Multiplicative Inverse Calculator 1/x. x 1/x 0.125 Step-by-step with your numbers: 1. Values used: 2. x = 8 3. 1/x = 0.125 Did we solve your problem today? 👍 Yes 👎 No Thanks for the feedback! Multiplicative inverse = 1/x. FAQ Zero? Undefined. Related calculators Reciprocal Calculator Find the reciprocal (multiplicative inverse) of a number. Division Calculator Quotient of two numbers. Inverse Modulo Calculator Find x where a·x ≡ 1 (mod m).