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Browse our complete collection of 12 free online tools

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12 tools found in Finance
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Mortgage Calculator

Calculate monthly mortgage payments and view detailed amortization schedules.

Finance 2 min
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New
Stamp Duty Calculator

Calculate stamp duty for England (SDLT), Scotland (LBTT) and Wales (LTT). Covers first time buyers, …

Finance 1 min
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New
Loan Calculator

Calculate loan payments, total interest, and view full amortization schedules for any loan type.

Finance 1 min
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Compound Interest Calculator

Calculate compound interest with monthly contributions. See how your money grows over time with charts …

Finance 1 min
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New
Tip Calculator

Calculate tips instantly. Split bills between friends with custom tip percentages and round-up options.

Finance 30 sec
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New
Discount Calculator

Calculate sale prices, savings, and percentage off. Support for stacked discounts and tax.

Finance 30 sec
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New
UK Tax Calculator

Calculate your UK take-home pay for 2024/25 & 2025/26. Income tax, NI, student loans, pension …

Finance 2 min
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New
UK Salary Calculator

Calculate take-home pay from any salary input. Compare salaries, contractor day rates, hourly to annual …

Finance 2 min
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Savings Calculator

Plan your savings with compound interest calculations and growth projections.

Finance 2 min
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Invoice Generator

Create professional invoices for free. Add your logo, line items, taxes, discounts, and download as …

Finance 5 min
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Electricity Cost Calculator

Calculate your electricity costs by appliance, room, or whole home. Compare rates across 50+ countries.

Finance 2 min
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Mortgage Affordability

Find out how much house you can afford based on your income and expenses.

Finance 3 min
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Free Online Calculators for Every Need

CalcTechLab offers a comprehensive collection of free online calculators and tools designed to help you with everyday calculations. Whether you need to calculate your BMI, plan your mortgage payments, track your calories, or convert units, we have the right tool for you.

Our Calculator Categories

  • Health Calculators: BMI, BMR, calorie, pregnancy, and body fat calculators to help you monitor your health and fitness goals.
  • Finance Calculators: Mortgage, savings, loan, and investment calculators for smart financial planning.
  • Math Calculators: Scientific calculator, percentage, fraction, and equation solvers for students and professionals.
  • Conversion Tools: Length, weight, temperature, and unit converters for quick and accurate conversions.
  • Utility Tools: Date calculators, timers, random generators, and more everyday tools.

All our calculators are free to use, mobile-friendly, and designed with accuracy in mind. Bookmark your favorite tools and access them anytime you need quick calculations.