Free Business & Financial Calculators
Calculate payment processing fees, estimate taxes, plan investments, and analyze business costs. Free professional tools for freelancers, entrepreneurs, and small businesses.
Why Choose BizCalc?
Professional-grade calculators trusted by thousands of businesses
Instant Results
Get accurate calculations in real-time as you type
Essential Calculators
Comprehensive suite of business and financial calculators
Always Updated
Fee structures and rates updated regularly for accuracy
Calculator Categories
Find the right calculator for your business needs
Payment Processing
Calculate fees for popular payment processors
PayPal Fee Calculator
Calculate PayPal fees for domestic and international payments
- Domestic (2.9% + $0.30)
- International (4.4% + fee)
- Friends & Family
Stripe Fee Calculator
Calculate Stripe processing fees for cards and ACH
- Card payments (2.9% + $0.30)
- International (+1.5%)
- ACH transfers
Square Fee Calculator
Calculate Square payment processing fees for all transaction types
- In-person (2.6% + $0.10)
- Online (2.9% + $0.30)
- Keyed payments
Upwork Fee Calculator
Calculate Upwork freelancer and client fees
- 5-20% sliding scale
- Client processing
- Withdrawal fees
Tax & Accounting
Tax calculations and accounting tools for businesses
1099 Tax Calculator
Calculate federal income tax and self-employment tax for contractors
- 2025 tax brackets
- SE tax (15.3%)
- Quarterly payments
Self-Employment Tax Calculator
Calculate SE tax and quarterly payments for freelancers
- 15.3% SE tax
- Quarterly estimates
- Deduction planning
Salary & Employment
Salary conversions and employment calculations
Hourly to Annual Salary
Convert hourly wages to annual salary and vice versa
- Hourly ↔ Annual
- Monthly breakdown
- Tax considerations
E-commerce & Marketplace
Calculate fees for online selling platforms
Amazon FBA Fee Calculator
Calculate Amazon FBA fees including referral and fulfillment costs
- Referral fees (6-20%)
- Fulfillment costs
- Storage fees
eBay Fee Calculator
Calculate eBay seller fees including final value and listing fees
- Final value fees (2.5-15.3%)
- 250 free listings
- Top seller discount
Business & Finance
Investment, savings, and financial planning tools
Compound Interest Calculator
Calculate investment growth with compound interest and contributions
- Investment growth
- Monthly contributions
- Goal planning
Ready to streamline your business calculations?
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