Finance & money
699 finance and money calculators: loans, interest, savings, taxes, salaries, prices and business margins. Every tool shows the formula it uses and works out the answer right on the page, free in your browser.
Bounce rate calculator
250 single-page sessions out of 1,000 visits is a 25% bounce rate, which leaves 750 visits that went past the first page.
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GBP rate change impact
10,000 euros or dollars are worth 8,000 pounds at a rate of 1.25; if the pound falls to 1.10, the same money buys more sterling.
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Budget calculator
An income of 5,000 minus 2,700 spent on housing, food, transport, utilities and subscriptions leaves 2,300: a surplus.
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Build or buy software calculator
A team costing 120,000 a year that needs 1.5 years to build spends 180,000, while a 48,000 yearly license kept for 5 years costs 240,000: building saves 60,000.
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Burndown chart calculator
With 100 story points in a 10-day sprint, the ideal line says 60 points should remain after day 4, falling by 10 a day.
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Business loan calculator
Borrowing 50,000 for your business at 8% over 36 months means a monthly payment of 1,566.82, 56,405.52 repaid in total and 6,405.52 of interest.
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Business valuation calculator
A coffee shop with 120,000 of yearly earnings and a 3.5 times multiple is estimated at 420,000. Enter a representative year of earnings and the multiple buyers…
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Buying power calculator
At 3% inflation, 1,000 kept for 10 years buys only what 744.09 buys today, a loss of 255.91 in real terms.
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California overtime calculator
At 20 an hour, five 10-hour days in a 50-hour week give 10 hours at time-and-a-half: 300 of overtime pay on top of 800 of regular pay.
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California sales tax calculator
On a purchase of 100, California's 7.25% statewide base sales tax is 7.25, for a total of 107.25. Enter any pre-tax amount to get the tax and the total at the…
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California income tax calculator
A single filer with 80,000 of California taxable income owes 3,878.64 under the 2025 rate schedules: a 9.3% marginal rate but only a 4.8483% effective rate.
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Call put option calculator
A call with a strike of 100, bought for a premium of 4, pays 10 at expiry if the underlying closes at 110: a net profit of 6, with breakeven at 104.
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Cap rate calculator
A property earning 50,000 of net operating income a year and worth 1,000,000 has a 5% cap rate. Enter the annual net operating income and the current market…
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CAPM calculator
A stock with a beta of 1.2, a 4% riskless rate and a 10% expected market return should earn 11.2%: 4 plus 1.2 times the 6-point market premium.
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Car lease calculator
A 35,000 car with a 20,000 residual, a 0.00125 money factor and a 36-month term costs 485.42 a month: 416.67 of depreciation plus 68.75 of rent charge.
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Car loan EMI calculator
Finance 500,000 at 9.5% for 60 months and the EMI is 10,500.93 every month, with the total interest of that tenure shown next to it.
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Car refinance calculator
Move an 18,000 balance from 8.5% to 5.5% with 36 months left and you save 24.69 a month, 888.84 in total.
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Carried interest calculator
With 1,000,000 of fund profits, an 8% hurdle and 20% carry, the manager earns 184,000 and limited partners keep 816,000.
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CARES Act 2020 rebate calculator
A single filer with 50,000 of adjusted gross income and one qualifying child is owed a 1,700 Recovery Rebate Credit under the 2020 CARES Act.
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Cash back calculator
Spend 250 on a 2% card and you earn 5 back, so the purchase effectively costs 245. Enter what you spent and the reward rate to compare cards, check a statement…
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CD calculator
Lock 10,000 in a 2-year CD at 5% compounded quarterly and it matures at 11,044.86, which is 1,044.86 of interest.
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Cell phone plan calculator
A plan with a 40 base fee, a 10 per-gigabyte rate and 5 GB used costs 90 a month: 40 for access plus 50 for data.
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CLTV calculator
A 280,000 first mortgage plus a 40,000 HELOC on a 400,000 appraisal is 80% CLTV, even though first-lien LTV is only 70%.
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Cobb-Douglas production function
With capital of 25, labor of 36 and both elasticities at 0.5, Cobb-Douglas output is 30 and returns to scale are constant.
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Combined ratio calculator
A 65% loss ratio plus a 28% expense ratio gives a combined ratio of 93, a 7-point underwriting profit.
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Commercial lease calculator
Rent of 4,500 a month for 60 months plus 12,000 of extra charges commits you to 282,000, an all-in 4,700 a month.
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Comparative advantage calculator
Producer A makes 10 X or 5 Y, producer B 6 X or 4 Y: A gives up half a Y per X, B two thirds, so A takes X and B takes Y despite A's lead in both.
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Compound growth calculator
Grow 1,000 at 5% per period for 10 periods and it reaches 1,628.89462678, because each period's gain starts earning too.
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Compound interest calculator
Put 1,000 away at 5% compounded once a year for 10 years and it grows to 1,628.89, with 628.89 of interest.
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Compound interest rate calculator
If 1,000 grew to 1,331 in 3 years with yearly compounding, the implied rate is 10%. Enter the start, the end, the years and how often interest was credited to…
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Consulting fees calculator
Ten hours at 150 an hour plus a 500 retainer comes to a 2,000 consulting fee, 1,500 of it billed time.
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Consumer surplus calculator
If you would have paid 120 for a ticket and it costs 85, you keep 35 of consumer surplus. Enter your maximum willingness to pay and the actual price to value a…
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Continuous compound calculator
1,000 at 5% compounded continuously for 10 years grows to 1,648.72, or 648.72 of interest, a little more than the same sum compounded once a year.
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Cost of capital calculator
With 60% equity at 10%, 40% debt at 5% and a 21% tax rate, the cost of capital is 7.58%: 6 points from equity and 1.58 from after-tax debt.
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Cost of doing business calculator
Fixed costs of 12,000 and variable costs of 9,000 for 2,000 units make a total of 21,000, or 10.5 per unit: 6 fixed and 4.5 variable.
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Cost of equity calculator
A stock with a beta of 1.2, a 4% riskless rate and a 10% expected market return has a cost of equity of 11.2%, on a 6-point market risk premium.
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Coupon payment calculator
A 1,000 bond with a 5% coupon paid twice a year sends 25 on each payment date, 50 over the year. Enter face value, annual coupon rate and payments per year to…
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Coupon rate calculator
A bond with a face value of 1,000 that pays 50 of coupons a year has a 5% coupon rate. Enter the annual coupon cash and the face value to recover the rate…
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CPA calculator
Divide what a campaign spent by the acquisitions it brought in: 5000 of ad spend for 25 purchases or leads is a CPA of 200.
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CPC CPM calculator
Enter spend, clicks and impressions from one reporting window and get both unit prices at once: 100 of spend on 50 clicks and 10000 impressions is a CPC of 2…
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CPI inflation calculator
Type the earlier and later CPI readings and get the inflation rate between them: an index going from 100 to 103 is 3% inflation.
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CPM calculator
Divide what a campaign cost by its impressions and scale to one thousand: 5000 spent on 250000 impressions is a CPM of 20.
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Credit card payoff calculator
See when a card will be paid off at a fixed monthly payment and what the interest adds up to: a 5000 balance at 18% APR paid at 150 a month is clear in 47…
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Credit card interest calculator
Check the finance charge printed on your statement: 1000 carried for a 30-day cycle at 18% APR costs 14.79 in interest.
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Credit card payment calculator
Plan around the payment you can really make: 200 a month on a 5000 balance at 19.99% clears the card in 33 months and costs 1521.01 in interest.
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Credit spread calculator
Subtract the matched Treasury yield from a bond's yield and read the gap in basis points: a 5.5% corporate yield over a 4% benchmark is a credit spread of 150…
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Credit utilization calculator
Add up your revolving balances and your credit limits, and see what share is in use: 2000 owed on 10000 of limits is 20% utilization, with 8000 still available.
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Cross-price elasticity calculator
Divide the percent change in demand for one good by the percent change in another good's price: demand up 20% after a 10% price rise gives an XED of 2, a strong…
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CTR calculator
Divide clicks by impressions to see how often people actually click: 50 clicks on 1000 impressions is a CTR of 5%, with 950 impressions that drew no click.
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Currency forward calculator
Find the exchange rate you can lock in today for a future date: a 1.25 spot with 5% at home and 3% abroad over one year gives a forward of 1.274272.
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Customer effort score calculator
Turn a list of effort ratings into one score: answers of 5, 6, 7, 6 and 5 give a customer effort score of 5.8 on the seven-point scale.
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Cyber Monday calculator
Enter the list price and the Cyber Monday percent off to see what you will actually pay: 199.99 at 40% off comes to 119.99, a saving of 80.
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DART rate calculator
Scale serious injury cases to 100 full-time workers so sites of any size compare fairly: 5 DART cases over 400000 hours worked is a DART rate of 2.5, beside a…
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Days inventory outstanding calculator
See how long inventory waits before it is sold: 50000 of average inventory against 365000 of annual cost of goods sold is 50 days inventory outstanding.
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DSO calculator
See how long cash stays tied up after a sale on account: 40000 of receivables against 365000 of annual credit sales is a DSO of 40 days.
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DCF calculator
Bring a cash-flow forecast back to today's value: 100, 120 and 150 over three years at 10%, plus a terminal value of 1000, are worth 1054.09 now.
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Deadweight loss calculator
Find the surplus a market distortion destroys with the triangle rule, half the price change times the quantity change: a price change of 2 and a quantity change…
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Total debt calculator
Stack the three liability lines into one headline obligation: 12000 of short-term debt, 85000 of long-term debt and 4500 of other fixed liabilities make a total…
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Debt avalanche calculator
Attack the most expensive rate first and see when each debt is gone: with 250 a month, a 400 store card at 22.9%, a 3200 card at 18.5% and a 1500 loan at 11%…
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Debt consolidation calculator
Roll several balances into one loan and see both sides at once: three debts totalling 15500 moved to 8.99% over 48 months drop the payment from 688.98 to 385.64…
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