Business and trade mathematics
Markets & Investing calculators
Calculate precious metal value, premiums and resale break-even with optional refreshed USD spot quotes. Explore stock gains, dividends, company earnings, portfolio allocation and rebalancing, plus oil volume and price scenarios using entered assumptions. These tools provide transparent arithmetic, not investment recommendations.
Precious metals value
Use this precious metals value calculator for gold, silver, platinum or palladium: refresh live USD spot quotes or enter a dated price, weight and purity.
Open calculator →Scrap precious metal payout
Use this scrap precious metal payout calculator to estimate a dealer payout from fine-metal value, an entered payout percentage and fixed deductions.
Open calculator →Bullion premium and purchase cost
Use this bullion premium and purchase cost calculator to compare a total dealer ask with contained-metal value and include separate purchase fees.
Open calculator →Precious metals investment gain or loss
Use this precious metals investment gain or loss calculator to compare all-in acquisition cost with a spot-based resale scenario after fees.
Open calculator →Precious metals resale break even
Use this precious metals resale break even calculator to find the spot price required to recover acquisition cost after dealer discounts and selling fees.
Open calculator →Gold silver ratio
Use this gold silver ratio calculator with refreshed USD spot quotes or matching entered prices to compare gold and silver on the same fine-troy-ounce basis.
Open calculator →Stock gain or loss after fees
Use this stock gain or loss after fees calculator to compare an entered purchase and sale or valuation price, including explicit transaction fees.
Open calculator →Average stock purchase cost
Use this average stock purchase cost calculator to combine purchase lots and fees into a weighted average per share.
Open calculator →Dividend yield and income
Use this dividend yield and income calculator to compare entered annual dividends with current price and acquisition cost.
Open calculator →Stock total return
Use this stock total return calculator to include cash dividends and fees alongside an entered share-price change, with optional annualized holding-period return.
Open calculator →Stock position sizing
Use this stock position sizing calculator to cap whole-share size by an entered risk budget and available cash for a long position.
Open calculator →EPS growth
Use this EPS growth calculator to compare comparable earnings per share periods and identify when percentage growth is not meaningful.
Open calculator →Price earnings ratio
Use this price earnings ratio calculator with entered share price and comparable annual EPS to calculate P/E or show why it is not meaningful.
Open calculator →Earnings yield
Use this earnings yield calculator to divide entered annual EPS by share price, including explicit negative earnings.
Open calculator →Earnings valuation scenarios
Use this earnings valuation scenarios calculator to project EPS under an entered growth assumption and compare low, base and high P/E multiples.
Open calculator →Portfolio allocation
Use this portfolio allocation calculator to compare entered asset values with target weights and show percentage-point deviations.
Open calculator →Portfolio weighted return
Use this portfolio weighted return calculator to combine entered same-period asset returns with beginning-of-period weights.
Open calculator →Oil barrel volume conversion
Use this oil barrel volume conversion calculator to convert entered petroleum barrels, US gallons and litres without assuming density or product yield.
Open calculator →Oil price change scenario
Use this oil price change scenario calculator to compare entered per-barrel prices for a fixed physical volume, including zero or negative price scenarios.
Open calculator →Fuel cost price sensitivity
Use this fuel cost price sensitivity calculator to compare fuel spending at two entered retail prices using matching usage and fuel-price units.
Open calculator →Compound interest with contributions
Calculate savings growth with regular monthly deposits, selectable deposit timing, and effective annual or nominal compounded interest.
Open calculator →Inflation and purchasing power
Translate a supplied amount between future nominal money and today’s purchasing power using an explicit assumed inflation rate.
Open calculator →Investment fee comparison
Compare two supplied annual percentage fees on otherwise identical constant-return savings scenarios, including ongoing contributions.
Open calculator →Portfolio target allocation and rebalancing
Compare holding values with chosen targets and calculate arithmetic buy or sell amounts after a cash addition.
Open calculator →Investment holding period total return
Calculate a period return from investment values, separate distributions and fees without external cash flows.
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