Welcome to OmniCalc

Quick, lightweight, and precise calculators for all your mathematical, financial, fitness, and conversion needs.

All Calculators

10 Available

Perform basic and advanced arithmetic, trigonometry, logarithms, power exponents, and roots.

Estimate monthly mortgage payments including principal, interest, taxes, insurance, and PMI.

Calculate standard installment loans, total payback amount, and monthly repayment breakdown.

Determine how your savings grow over time with periodic compound frequencies and contributions.

Check your Body Mass Index (BMI) using height and weight to assess healthy weight ranges.

Determine daily caloric requirements based on metabolic rate (BMR) and activity level.

Solve basic percentage questions, percentage fractions, and percentage increases/decreases.

Add, subtract, multiply, or divide fractions. Supports mixed numbers and outputs steps.

Determine exact age in years, months, days, weeks, hours, and seconds between two dates.

Convert values in real-time between Length, Weight, Temperature, Area, Volume, and Speed units.