Investment Tools

Free financial calculators to help you make better investment decisions

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Choose a Calculator

ROI Calculator

Calculate your Return on Investment (ROI) percentage

Compound Interest

See how your investment grows over time with compound interest

Investment Goal

Calculate how much you need to invest to reach your goal

Profit Margin

Calculate your profit margin and markup percentage

Break-Even Point

Calculate how many sales needed to break even

Loan Payment

Calculate monthly loan payments and total interest

ROI Calculator

Calculate your Return on Investment to measure profitability.

Compound Interest Calculator

Formula: A = P(1 + r/n)^(nt) + PMT × [(1 + r/n)^(nt) - 1] / (r/n)
Default: 1,000,000 TZS
Default: 100,000 TZS
Length of time investing
Estimated annual rate

Investment Goal Calculator

Profit Margin Calculator

Break-Even Point Calculator

Rent, salaries, utilities
Cost per unit
Selling price

Loan Payment Calculator

Loan Types:
Standard Loan: Regular amortized loan with annual interest rate
Monthly Emergency Loan (Tanzania): Monthly interest rate (e.g., 10%/month), flexible payment