Calculator directory
All Formulexa calculators
Search 23 free tools by name, formula, task, or category. Every calculator includes documented assumptions and works without an account.
All 23 calculators
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Search Formulexa’s free online calculator tools by task or filter by suite. Compare student, project material, salary, math, and finance calculators without browsing unrelated categories.
23 calculators found
- Students
Grade Calculator
Calculate a weighted current grade and plan remaining work.
Weighted CourseworkCalculate - Students
Final Grade Calculator
Find the score needed on a final assessment.
Required Exam ScoreCalculate - Students
Easy Grader
Convert wrong answers into a score and grading table.
Quick Grade ScaleCalculate - Students
GPA Calculator
Calculate credit-weighted semester, cumulative, and weighted GPA with target planning.
Semester & CumulativeCalculate - Students
Marks Percentage Calculator
Calculate percentage from marks for single exams or multiple subjects, with target marks planning.
Single & All SubjectsCalculate - Students
CGPA to Percentage Calculator
Convert CGPA to percentage using source-backed university formulas or proportional estimates.
University FormulasCalculate - Students
Percentage to CGPA Calculator
Convert percentage to CGPA using verified inverse university formulas or proportional scale rules.
Reverse InversesCalculate - Students
SGPA to CGPA Calculator
Calculate cumulative CGPA from semester SGPAs with credit weighting and simple average comparison.
Credit-Weighted SemestersCalculate - Students
SGPA to Percentage Calculator
Convert semester SGPA to percentage using source-backed university formulas or proportional estimates.
Semester SGPA ConversionCalculate - Math
Percentage Calculator
Solve common percentage problems including percent of a number, percentage change, difference, and reverse percentages.
6 General Percent ModesCalculate - Finance
Discount Calculator
Calculate sale price, savings, percent off, original price, stacked discounts, fixed coupons, and optional tax.
Shopping & SavingsCalculate - Finance
Loan Calculator
Calculate fixed-rate monthly loan payments, total interest, and a full monthly amortization schedule.
Monthly AmortizationCalculate - Finance
Mortgage Calculator
Estimate fixed-rate mortgage payments, down payment impact, and comprehensive monthly housing costs with taxes and insurance.
P&I & Housing CostsCalculate - Finance
Tip Calculator
Calculate custom gratuity, optional sales tax, and equal bill splits with pre-tax or after-tax calculation basis.
Tip & Bill SplitCalculate - Project Materials
Gravel Calculator
Estimate gravel volume across one or more areas.
Volume & WeightCalculate - Project Materials
Topsoil Calculator
Estimate topsoil volume and optional bag quantities.
Area & BagsCalculate - Salary & Work
Hourly to Salary Calculator
Convert hourly pay into gross-pay equivalents.
Gross Pay EquivalentsCalculate - Salary & Work
Pay Raise Calculator
Compare current gross pay with pay after a raise.
Raise & New SalaryCalculate - Salary & Work
Salary After Tax Calculator
Choose a country calculator to estimate take-home pay using source-backed local tax rules and documented assumptions.
20 Country Tax EstimatesCalculate - Salary & Work
Salary Comparison Calculator
Compare two job offers side by side by annualized base pay, annual bonus, equity grants, benefits, and signing bonus.
Job Offer PackagesCalculate - Salary & Work
Salary Rank Calculator
Compare gross pay with official UK or Ireland earnings percentiles using dated public datasets.
Official Pay PercentilesCalculate - Salary & Work
International Take-Home Pay Comparison
Normalize two take-home pay results with dated ECB exchange rates and explicit non-PPP caveats.
Dated ECB FXCalculate - Finance
Cost of Living Calculator
Compare monthly living expenses across housing, food, transportation, and utilities, or compare cost indices to calculate purchasing power and equivalent salary.
Expenses & Index ParityCalculate