All 15 calculators

The complete CalcVerse library, grouped by category. Every tool has its own page with the formula, a worked example and related calculators.

Math Calculators

5 tools

Fractions, roots, exponents, factors, primes and everyday arithmetic solved step by step.

10 tools

Percentage of a number, increase, decrease, change, difference, discounts and markups.

0 tools

Loans, mortgages, compound interest, savings, retirement, investment returns and debt payoff.

0 tools

Margin, markup, break-even, ROI, pricing, cash flow, depreciation and growth metrics.

0 tools

Salary conversions, hourly rates, overtime, take-home pay and rate-driven tax estimates.

0 tools

BMI, BMR, TDEE, calories, macros, body fat, ideal weight, pace and hydration.

0 tools

Days between dates, age, business days, date arithmetic, durations and time conversions.

0 tools

Length, weight, temperature, volume, area, speed, energy, pressure and data conversions.

0 tools

Concrete, paint, flooring, roofing, decking, fencing, gravel, drywall and material costs.

0 tools

Area, perimeter, volume and surface area for triangles, circles, polygons and solids.

0 tools

Mean, median, standard deviation, z-scores, confidence intervals, correlation and tests.

0 tools

Physics and chemistry: motion, energy, force, density, molarity, pH, gas laws and more.

0 tools

Electrical and mechanical: Ohm’s law, power, voltage dividers, energy cost and torque.

0 tools

GPA, weighted grades, final grade needed, test scores, percentages and study planning.

0 tools

Tips, bill splitting, discounts, fuel costs, unit pricing and other daily arithmetic.