Tools

All Calculators & Tools

Browse our free online calculators and utility tools for everyday decisions. Use these tools to estimate costs, convert values, plan events, calculate quantities, and solve common real-life problems quickly.

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Money and Finance

Currency Converter
Convert currencies like USD to MXN, USD to CAD, and more.

Pricing Calculator
Estimate service pricing based on time, expenses, and profit goals.

Business Value Calculator
Estimate how much a small business may be worth.

Currency Converter. Convert currencies like USD to MXN, USD to CAD, and more.

Business Value Calculator. Estimate how much your small business may be worth.

Gig estimator. Estimate how much to charge for a job

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Event and Party Planning Tools

Food Quantity Calculator
Estimate how much food you need for parties, weddings, birthdays, and events.

Alcohol Calculator
Estimate how much beer, wine, and liquor to buy for events.

Cake Serving Calculator
Estimate cake size and servings for guests.

Estimate food, drinks, and quantities for events

Plan weddings, parties, and gatherings with confidence

Avoid overbuying or running out of supplies

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Travel Tools

Time Zone Converter
Compare times between cities and countries.

Sunrise & Sunset Times
Find sunrise and sunset times by location.

Travel Budget Calculator
Estimate total travel costs for your trip.

Driving Cost Calculator
Calculate fuel cost for road trips.

Distance Between Cities
Find distance between two cities or locations.

Currency Converter
Convert currencies like USD to MXN, USD to CAD, and more.

Plan trips with time, cost, and distance calculators

Manage time zones, budgets, and travel schedules

Make smarter decisions while traveling

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Home Improvement tools

Paint Calculator
Estimate how much paint you need for a room or house.

Material Estimator
Estimate basic materials for home projects.

Estimate materials and costs for home projects

Calculate paint, measurements, and quantities

Plan renovations and upgrades more accurately

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Health & Fitness Tools

BMI Calculator
Estimate your body mass index.

Calorie Calculator
Estimate your calorie intake

Water Intake Calculator
Estimate your water intake

Calculate calories, BMI, and fitness goals

Estimate daily intake and body measurements

Useful for diet, workouts, and healthy living

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Business & Work Tools

Profit Margin Calculator
Estimate your profits

Invoice / Pricing Calculator
Estimate your price for your invoices

Break-even Calculator
Estimate your cost, break even and profits.

Useful for freelancers, services, and small businesses

Estimate costs, margins, and earnings

Calculate pricing, profit, and business metrics

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General Calculators

Percentage Calculator
Calculate percentages, discounts, increases, and tips.

Tip Calculator
Calculate tips for restaurants, services, and split bills easily/

Days Between Dates Calculator
Find the number of days between two dates.

Solve everyday calculations quickly and easily

Convert values, calculate percentages, and more

Useful for daily tasks, budgeting, and planning

Need another tool or calculator? Let us know — we’re always adding new tools to help you solve everyday problems..

All Calculators and Tools in One Place
Browse our complete collection of free online calculators and tools designed to help you solve everyday problems quickly and accurately. Trotter Tools offers a wide range of simple and reliable calculators for finance, event planning, home improvement, travel, and general conversions.
Whether you need to convert currency, calculate percentages, estimate paint for a room, plan food for an event, or find the number of days between dates, our tools are built to give you clear results in seconds. Each calculator is easy to use, mobile-friendly, and designed to save you time.
Explore all our tools below and find the calculator you need for your next project, trip, or decision.