Easily convert mixed numbers (like 3 1/4) into improper fractions.
Informational calculator only. Verify important outputs independently before legal, tax, medical, engineering, safety-critical, contractual, employment, or compliance use.
Enter job values, review the estimate, then use the decision hints before ordering or quoting.
The whole number part
Top part of the fraction
Bottom part of the fraction
Improper Numerator = (Whole × Denominator) + NumeratorMultiply the whole number by the denominator, add the original numerator, keep the same denominator.
The result is an improper fraction (numerator ≥ denominator)
It's much easier to add, subtract, multiply or divide fractions when they're all improper.
The calculator doesn't reduce automatically — you can do it manually if needed.