Other Calculators – Free Online Tools | 1Dollars

Free online tools

Other Calculators for Quick, Everyday Answers

Find useful general-purpose calculators and jump to a specialized calculator category. Every tool is designed to be simple, fast and easy to use on mobile or desktop.

Start with these frequently useful tools already available on 1Dollars.

8 tools
TIP Tip CalculatorCalculate a tip and split the total bill. INF Inflation CalculatorCompare how the value of money changes over time. NW Net Worth CalculatorSubtract liabilities from assets in one place. SP Salary Purchasing PowerCompare what a salary may be worth across locations. FUEL Fuel Cost CalculatorEstimate fuel expense for a drive or road trip. KWH Electricity Bill CalculatorEstimate energy use and electricity cost. REM Remittance Cost CalculatorEstimate international transfer fees and received value. RATE Freelance Hourly RateWork out a sustainable hourly rate for freelance work.

Explore All Specialized Categories

Choose a topic to find calculators made for that type of question.

23 categories
MATH Math & StatisticsArithmetic, algebra, geometry, probability and data tools. HLTH Health, Fitness & NutritionBody, exercise, calorie and wellness estimates. TAX Tax, Paycheck & SalaryIncome tax, payroll and take-home-pay tools. DATE Date, Time & AgeCalculate dates, durations, time differences and age. LOAN Loans, Mortgage & CreditPayments, borrowing costs, credit and debt tools. SCI Science & EngineeringPhysics, chemistry, electrical and engineering formulas. INV Investing, Savings & RetirementGrowth, returns, savings goals and retirement planning. EDU Education & GradesGPA, scores, grades and academic planning tools. UNIT Unit Conversion & MeasurementConvert length, weight, area, volume and more. HOME Construction & Home ImprovementEstimate materials, dimensions and project quantities. AUTO Automotive & TransportationVehicle, mileage, fuel and travel-cost tools. BIZ Business, Ecommerce & MarketingPricing, margin, ROI, sales and campaign tools. GOV Legal, Benefits & GovernmentPublic benefits, legal estimates and government programs. MONEY Everyday MoneyTips, discounts, budgets and daily money decisions. GAME Gaming & EntertainmentGame, fantasy, media and entertainment tools. LIFE Astrology & LifestyleZodiac, numerology and personal-interest tools. TECH Digital & TechnologyData, storage, bandwidth and computing tools. REAL Real Estate & PropertyAffordability, property costs, rent and investment. TRIP Travel & GeographyDistance, location, trip and geography tools. INS InsuranceCoverage, premium and insurance-planning estimates. METAL Metals, Jewelry & ScrapGold, silver, copper, jewelry and scrap-value tools. FOOD Food & CookingRecipes, servings, kitchen measures and cooking tools. ENERGY Environment, Energy & UtilitiesPower, water, carbon and utility-cost estimates.

No matching calculator or category was found. Try a broader word such as “money,” “health,” “date” or “home.”

What belongs in Other Calculators?

This page collects useful general-purpose tools that do not fit neatly into one specialist group. As new calculators are published, they can be added here without changing the 24-category navigation structure.

Frequently Asked Questions

Quick answers about using the calculators on this site.

What are Other Calculators?

They are general or miscellaneous tools that are useful but do not belong to one specialized calculator category.

Are the calculators free to use?

Yes. The calculators linked from this page are available to use online without a paid subscription.

Do I need to create an account?

No account is required to open and use the calculators listed on 1Dollars.

Can I use these calculators on a phone?

Yes. The category page and calculator links are designed to work on mobile phones, tablets and desktop browsers.

How accurate are the results?

The tools calculate from the inputs and formulas shown, but their results are estimates and should be verified for high-stakes decisions.