Total Lifetime Costs ($): Total Energy Produced Over Lifetime (kWh): LCOE ($/kWh): Calculate In the world of energy planning and project evaluation, few metrics are as essential as the Levelized Cost of Energy (LCOE). Whether you’re developing a solar power plant, wind farm, or fossil fuel-based facility, LCOE offers a standardized way to compare the…
Total Annual Expenses ($): Billable Hours per Year: Desired Profit Margin (%) : Hourly Rate Needed ($): Calculate Running a business isn’t just about making sales—it’s about making sure those sales cover your expenses and generate a sustainable profit. That’s where the Cost of Doing Business (CODB) Calculator becomes an essential tool. Whether you’re a…
Total Effort or Resources: Percentage to Apply (default is 10%): Calculate In a world where time, energy, and resources are limited, the 90/10 Rule offers a powerful perspective on how to work smarter, not harder. This rule suggests that 10% of your efforts, activities, or decisions can contribute to 90% of your results, success, or…
Exchange Start Date (YYYY-MM-DD): Calculate If you’re planning a 1031 exchange, understanding and meeting the 45 Day Rule is essential. The IRS has strict timelines for identifying replacement properties, and failing to follow these deadlines can result in losing the tax-deferred benefits that make a 1031 exchange so valuable. This is where the 45 Day…
Monthly Contribution ($): Calculate When it comes to personal finance, simple rules can often provide the clearest insights. One such powerful concept is the 1095 Rule, a strategic rule of thumb that helps individuals estimate the long-term potential of their consistent monthly contributions toward savings or investments. Whether you’re budgeting for retirement, a home, or…
Annual Expenses ($): Calculate Planning for retirement can feel overwhelming—especially when trying to determine how much money you really need to live comfortably after you stop working. That’s where simple financial guidelines like the Rule of 25 come into play. The Rule of 25 is a fundamental principle in personal finance and the FIRE (Financial…
Expected Annual Interest Rate (%): Calculate When planning your financial future, understanding how quickly your money can grow is essential. While the “Rule of 72” is famous for estimating doubling time, fewer people know about the Rule of 115, a lesser-known yet equally useful shortcut that estimates how long it takes to triple an investment…
Principal ($): Annual Interest Rate (%): Time (in days): Calculate When it comes to calculating interest, different methods exist depending on the lender, institution, or financial situation. One commonly used technique in banking is the Bankers Rule, which simplifies calculations by assuming a 360-day year instead of the actual 365 days. This article explains how…
Gross Monthly Income ($): Monthly Housing Costs (including mortgage, taxes, insurance) ($): Calculate Housing is one of the largest expenses for most people. The 28 percent rule is a widely accepted financial guideline used by lenders and financial advisors to evaluate whether your housing expenses are within a healthy range. It recommends that your monthly…
Property Purchase Price ($): Monthly Rent ($): Calculate The 2 Percent Rule is a more aggressive real estate investing guideline than the commonly known 1% rule. It suggests that a property’s monthly rent should equal at least 2% of its purchase price to be considered a strong investment. While this rule may be challenging to…