Free Online Calculators for Math, Fitness, Exams & Construction

Simple, fast, and free online calculators. From fitness to maths, we have a tool for that.

One Rep Max Calculator

Calculate strength limits.

EtG Calculator

Alcohol test estimation.

Asphalt Calculator

Tonnage for paving.

SAT Score Calculator

Predict exam results.

Long Division Calculator

Step-by-step division solver.

AP Lang Calculator

Estimate AP English exam score.

Gravel Calculator

Determine gravel needed.

Cubic Yard Calculator

Calculate volume in cubic yards.

Height Calculator

Predict child's adult height.

ERA Calculator

Calculate Earned Run Average.