Free Tiny Tools

Finance & Calculators

Calculate loans, tips, and financial metrics quickly.

Finance

Tip Calculator

Calculate tips quickly and split bills with friends. Supports custom tip percentages and multiple people.

Finance

Percentage Calculator

Calculate percentages, percentage increase/decrease, and percentage of values. Fast and easy percentage calculations.

Finance

Age Calculator

Calculate your exact age in years, months, weeks, days, hours, and minutes. Find out how old you are today.

Finance

BMI Calculator

Calculate your Body Mass Index (BMI) using metric or imperial units. Understand your BMI category and health range.

Finance

Loan Calculator

Calculate loan payments, interest, and amortization schedules. Plan your mortgage, auto loan, or personal loan payments.

Finance

Currency Converter

Convert between different currencies with real-time exchange rates. Calculate currency conversions for travel, shopping, and international transactions.

Finance

Grease Trap Size Calculator

Calculate the correct grease trap size for your restaurant kitchen. Determine required capacity based on fixture count and flow rates.

Finance

AI Usage Cost Calculator

Estimate LLM API costs by model, tokens, and daily volume. Compare GPT, Claude, and Gemini pricing with daily, monthly, and yearly projections.

Smart Financial & Math Calculators

Make informed financial decisions with our easy-to-use calculators. From planning loan payments to splitting bills at dinner, these tools handle the math for you.

Planning

Estimate loan payments and amortization schedules.

Daily Math

Quickly calculate percentages, specialized age metrics, and tips.

Business

Calculate grease trap sizes and other niche business metrics.

Sending money abroad?

Remitly

See how much your family will receive

Compare Remitly’s exchange rate, fee and delivery options for your next international transfer.

Check Remitly’s rate