Finance Tools
Calculators for money, health, and school.
Free online finance and health calculators for mortgages, loans, compound interest, BMI, calories, GPA, and more. Run instant what-if scenarios with live recalculation — all client-side, so your financial inputs never leave your device. Ideal for personal finance planning, schoolwork, and health tracking.
Showing 29 of 29 finance tools
Percentage Calculator
Calculate percentages, increases, decreases, and ratios.
BMI Calculator
Calculate Body Mass Index with metric and imperial units.
VAT Calculator
Add or remove VAT from a price at any rate, with live results.
Loan Calculator
Calculate monthly payments, total interest, and amortization.
Mortgage Calculator
Estimate monthly mortgage payments with taxes and insurance.
Compound Interest Calculator
Project compound interest growth over time.
GPA Calculator
Calculate grade point average across courses with weight.
Currency Converter
Convert between currencies using bundled static reference rates.
Body Fat Calculator
Estimate body fat percentage via the U.S. Navy method.
Unit Converter
Convert length, weight, temperature, and data units.
Invoice Generator
Build a printable invoice with line items, tax, and totals.
BMR Calculator
Calculate Basal Metabolic Rate with the Mifflin-St Jeor formula.
TDEE Calculator
Estimate Total Daily Energy Expenditure from BMR and activity.
Calorie Calculator
Compute daily calorie needs and macro targets for any goal.
Macro Calculator
Split daily calories into protein, carbs, and fat by diet type.
Water Intake Calculator
Estimate daily water needs based on weight, activity, and climate.
Retirement Calculator
Project retirement savings growth with contributions and inflation.
ROI Calculator
Calculate return on investment, annualized ROI, and CAGR.
Savings Calculator
Project savings growth with regular contributions and compounding.
Break-Even Calculator
Find the break-even point in units and revenue for a product.
Profit Margin Calculator
Calculate profit margin, markup, and reverse-engineer costs.
Inflation Calculator
See how inflation erodes purchasing power over time.
Grade Calculator
Compute weighted final grades from assignments and weights.
Quote Generator
Generate inspirational quotes and download them as shareable images.
Flashcard Generator
Build, study, and export flashcard decks with a flip mode.
Citation Generator
Generate APA, MLA, and Chicago citations for books and sites.
Invoice Number Generator
Generate sequential, padded invoice numbers with optional date prefix.
Study Planner
Plan a study schedule across subjects before an exam date.
Tip Calculator
Calculate tips and split bills with quick-percentage presets.