Finance Calculators
Financial decisions have long-term consequences. A half-percent difference in mortgage rate can cost tens of thousands over the life of a loan. Not understanding compound interest means underestimating how much your savings can grow — or how fast debt accumulates. Our finance calculators cover the numbers that matter most: mortgage payments, compound growth, investment returns, loan payoffs, and retirement planning. Whether you are buying your first home, comparing loan offers, or building an emergency fund, these tools help you run the numbers before you commit your money.
433 calculators available
Google AdSense Calculator — Estimate Earnings and RPM
Estimate monthly AdSense revenue from page views, CTR, and average CPC. See implied page RPM, daily earnings, and your annual income projection.
Graham Number Calculator — Fair Value & Safety Margin
Compute Benjamin Graham's fair value number from EPS and book value, then compare it with the market price to judge the margin of safety.
Gratuity Calculator — India 15/26 Formula Estimate
Estimate gratuity on resignation or retirement with the 15/26 formula — six-month rounding rule, ₹20 lakh cap, and Section 10(10) tax exemption.
Grocery Budget Calculator — Estimate Your Food Costs
Calculate your weekly, monthly, or yearly grocery budget based on household size, meals cooked at home, and average ingredient costs.
Gross Margin Calculator — Hit Your Target Margin
Compute gross margin from revenue and COGS, measure the gap to your target, and test price or cost changes before committing.
Gross Rent Multiplier Calculator — GRM & Fair Value
Compute gross rent multiplier from your rent roll, compare it against a market GRM, and see the rent-supported value of any income property.
Gross to Net Paycheck Calculator — Deductions & Net Pay
Convert gross pay to net pay per paycheck: 401(k), health premiums, HSA, FICA with Social Security cap, and income tax deductions itemized.
Growing Annuity Calculator — FV & PV of Rising Payments
Price a growing annuity in one step: first payment, growth rate, discount rate, and term produce both future value and present value.
GRP Calculator — Gross Rating Points & Cost Per Point
Compute gross rating points from impressions and audience size, split them into reach and frequency, and price the plan with cost per point.
GST Calculator — CGST, SGST & IGST Breakdown
Add GST to exclusive prices or extract it from inclusive totals at 5, 12, 18 or 28% slabs, with automatic CGST, SGST and IGST split.
GST QST Calculator — Quebec Sales Tax Rates
Add or remove Quebec GST 5% and QST 9.975% on any amount — exact breakdowns, reverse totals, and special rates for books and basic groceries.
Hedge Ratio Calculator — Optimal Futures Hedge Size
Compute the minimum variance hedge ratio from correlation and volatility inputs, then size your futures hedge notional in seconds.
HELOC Calculator — Estimate Your Credit Limit & Payments
Estimate your maximum HELOC credit line from home value and mortgage balance, plus interest-only draw and repayment payments.
HHI Calculator — Herfindahl-Hirschman Index
Calculate the Herfindahl-Hirschman Index from market shares and see where your market falls on DOJ and FTC concentration thresholds.
High-Low Method Calculator — Fixed & Variable Cost Split
Split any mixed cost into fixed and variable parts with the high-low method, then project total cost at any activity level you choose.
Holding Period Return Calculator — Measure Investment Gains
Calculate holding period return from beginning value, ending value, and dividends received. See total return as a percentage plus dollar gain.
Home Affordability Calculator — What House Can You Afford
Estimate how much house you can afford from income, debts, down payment, and rate using the 28/36 rule.
Home Improvement Loan Calculator — Estimate Payments
Estimate monthly payments, total interest, and origination fee costs for a home improvement loan before you sign.