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🛠️ Free Business Tools & Calculators

Professional calculators built specifically for Nigerian businesses. Make smarter financial decisions with accurate, instant calculations.

🧮 12+ Free Tools

💯 100% Free

🇳🇬 Nigerian Context

📱 Mobile Friendly

Calculate, Plan, Succeed

Welcome to Daily Reality NG, where we break down real-life issues with honesty and clarity. These free tools help you make better business decisions without guesswork.

I'm Samson Ese, founder of Daily Reality NG. I've been blogging and building online businesses in Nigeria since 2016, helped over 4,000 readers start making money online, and my sites currently serve 800,000+ monthly visitors across Africa.

💡 Why These Tools Matter: Running a business in Nigeria requires careful planning. Whether you're calculating solar system requirements, figuring out loan repayments, determining profit margins, or planning your taxes — these calculators give you accurate answers instantly. No spreadsheets, no complicated formulas, just simple inputs and clear results.

All calculators use current Nigerian rates, account for local costs, and provide results in naira. They're updated regularly to reflect market changes, so you're always working with accurate information.

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Solar System Calculator

Solar Energy

Calculate the exact solar system size you need based on your daily power consumption. Get battery capacity, panel wattage, and estimated costs.

Daily Power Consumption (kWh)

Check your meter to see daily usage, or estimate: Small home (8-12 kWh), Medium home (15-25 kWh), Large home (30+ kWh)

Backup Hours Needed 12 hours (half day) 18 hours (most of the day) 24 hours (full day) 48 hours (2 days)

Peak Sun Hours in Your Area 4 hours (Rainy season/North) 5 hours (Average Nigeria) 6 hours (Dry season/South)

Your Solar System Requirements:

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Best Solar Panels Solar Loan Guide

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Loan Payment Calculator

Finance

Calculate your monthly loan payments, total interest, and repayment schedule. Works for business loans, solar loans, personal loans, and mortgages.

Loan Amount (₦)

Annual Interest Rate (%)

BOI: 9%, Commercial banks: 25-30%, Microfinance: 15-20%

Loan Term (Years)

Your Loan Summary:

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BOI Loan Guide Business Ideas

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Profit Margin Calculator

Business

Calculate your gross profit, net profit, and profit margins. Essential for pricing decisions and understanding your business profitability.

Selling Price per Unit (₦)

Cost Price per Unit (₦)

Total cost including purchase, shipping, and direct expenses

Monthly Operating Expenses (₦)

Rent, salaries, utilities, marketing, etc.

Units Sold per Month

Your Profit Analysis:

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Business Survival Tips Pricing Strategy

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Withholding Tax Calculator

Tax

Calculate withholding tax (WHT) on payments you receive or make. Essential for contractors, consultants, and service providers in Nigeria.

Transaction Amount (₦)

Transaction Type Professional Services (5%) Management Services (10%) Consulting (5%) Rent (10%) Technical Services (5%) Construction (2.5%)

I am the: Service Provider (Receiving Payment) Client (Making Payment)

Withholding Tax Breakdown:

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WHT Guide Tax Strategies

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Break-Even Calculator

Business

Find out how many units you need to sell to cover all your costs and start making profit. Critical for business planning and pricing.

Fixed Monthly Costs (₦)

Rent, salaries, insurance —costs that don't change with sales volume

Selling Price per Unit (₦)

Variable Cost per Unit (₦)

Materials, packaging, direct labor — costs that increase with each unit sold

Break-Even Analysis:

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Survival Tips Beat Inflation

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ROI Calculator

Investment

Calculate Return on Investment for business decisions, marketing campaigns, equipment purchases, or any investment. See if it's worth it.

Initial Investment (₦)

Total Return/Gain (₦)

Revenue or value gained from this investment

Timeframe (Months)

ROI Analysis:

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Solar vs Generator ROI Business ROI

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Savings Goal Calculator

Personal Finance

Plan how much to save monthly to reach your financial goals. Whether it's starting a business, buying equipment, or building emergency funds.

Savings Goal (₦)

Current Savings (₦)

Target Timeframe (Months)

Expected Interest Rate (% per year)

Savings account: 5-7%, Fixed deposit: 10-15%, Investment: varies

Your Savings Plan:

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Start a Business Money Management

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Currency Converter

Finance

Convert between naira and major currencies. Uses approximate current market rates. Always confirm with your bank for exact rates.

Amount

From Currency Nigerian Naira (NGN) US Dollar (USD) British Pound (GBP) Euro (EUR)

To Currency US Dollar (USD) Nigerian Naira (NGN) British Pound (GBP) Euro (EUR)

Converted Amount:

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Domiciliary Account Earn Dollars

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💡 Tips for Using These Calculators

📊 Be Realistic with Numbers

Enter accurate data for meaningful results. Overestimating sales or underestimating costs leads to poor planning. Use conservative estimates for safety.

🔄 Recalculate Regularly

Costs, interest rates, and market conditions change. Recalculate your numbers every quarter or when major changes happen in your business or the economy.

📝 Document Your Results

Screenshot or write down your calculations. Compare them over time to track progress, spot trends, and make better decisions.

🎯 Use Multiple Tools Together

For complete planning, use several calculators. For example: Profit Margin + Break-Even + Loan Payment gives you a full business financial picture.

💼 Verify with Professionals

These calculators provide estimates. For major business decisions (loans, large investments, tax planning), always consult with accountants or financial advisors.

🔐 Your Data is Private

All calculations happen in your browser. We don't store, track, or save any numbers you enter. Your financial data stays completely private.

Need More Help?

These calculators are just the beginning. We have comprehensive guides, step-by-step tutorials, and real-life case studies to help you succeed.

📚 Read Our Guides

In-depth articles explaining every concept, with Nigerian examples and practical advice.

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💬 Ask Questions

Can't find what you need? Reach out and we'll help you figure it out.

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© 2025 Daily Reality NG — Empowering Everyday Nigerians

All posts are independently written and fact-checked by Samson Ese based on real experience and verified sources.

⚠️ Disclaimer: These calculators provide estimates for planning purposes. Always consult with qualified professionals for financial, legal, or tax advice.