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Business & Finance
Financial calculators, QR codes, loan tools, and business utilities.
From mortgage calculations to cryptocurrency lookups, our business and finance tools help professionals, students, and everyday people make smarter financial decisions — quickly and for free.
QR Code Generator
Create custom QR codes for URLs, text, Wi-Fi, and more — instantly downloadable.
Mortgage Calculator
Calculate monthly mortgage payments, total interest, and amortization schedules.
Loan Calculator
Calculate monthly payments and total cost for any type of personal or business loan.
Student Loan Calculator — Updated for 2026 OBBBA Rules
Estimate student loan repayments under the new July 2026 OBBBA rules, including Tiered Standard and Repayment Assistance Plan (RAP).
Tip Calculator
Calculate the perfect tip and split the bill evenly among your group.
Return on Ad Spend Calculator
Calculate ROAS and evaluate the profitability of your advertising campaigns.
Cryptocurrency Wallet Lookup
Look up any public cryptocurrency wallet address to view balance and transactions.
Section 8 Rent Calculator by ZIP Code
Use this free Section 8 rent lookup tool to check 2026 HUD Fair Market Rent amounts by ZIP code and bedroom count. Actual payment standards are set by local housing authorities.
STR Opportunity Score Calculator
Evaluate short-term rental deals with a 0-100 Opportunity Score that surfaces hidden profitability upside and market saturation risk before you buy.
Crypto Profit/Loss Calculator
Calculate your crypto gains or losses instantly, including fees and break-even price.
Crypto DCA Calculator — Dollar-Cost Averaging
See what consistent Bitcoin or crypto investing would be worth today with dollar-cost averaging.
Crypto Staking Rewards Calculator
Project your staking rewards and compound growth based on APY and time horizon.
