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.
Agenda end time calculator
A meeting that starts at 09:30 with items of 10, 45 and 20 minutes ends at 10:45, after 75 minutes.
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Attendee hourly cost calculator
A 40-hour week over 52 weeks gives 2080 paid hours, and a multiplier of 1.3 adds 30% overhead on top of the base hourly cost.
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Backlog completion sprint count calculator
A backlog of 145 story points at 32 points per sprint needs 5 whole sprints; starting at sprint 12, work should finish in sprint 16, which carries the last 17…
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Context switching time loss calculator
Twelve interruptions a day with 23 minutes to refocus after each cost 276 minutes, or 4.6 hours, every day; over a 48-week year that adds up to 1104 hours.
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Eat the frog order
Score Draft annual report at 9, Prepare board slides at 7 and Reply to routine emails at 2, and the report comes first as your frog while the emails go last.
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Eisenhower priority classifier
A task that is both urgent and important, such as fixing a production outage, lands in quadrant 1: do it first.
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FTE headcount calculator
Ana on 40 hours, Ben on 20 and Cara on 30 add up to 2.25 full-time equivalents against a 40-hour week, not three.
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Gantt chart bar duration calculator
A Gantt bar from Monday 8 January to Friday 19 January 2024 lasts 12 calendar days or 10 working days, with both ends counted.
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Goal completion date calculator
With 750 left on a goal of 1,000 and steady progress of 25 a day, you finish in 30 days: starting on 1 January 2024, that is 31 January.
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66-Day Habit Target Date Calculator
Start a new routine on 1 January 2026 and your 66-day milestone falls on 8 March 2026. Weekends, month lengths and leap years are handled for you, giving a…
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Inbox zero processing time calculator
Clearing 240 emails at 1.5 minutes each takes 360 minutes: 6 hours, or 0.75 of an eight-hour workday.
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Meeting cost per minute calculator for teams
8 people at an average hourly wage of 75 cost 10 for every minute the meeting runs, or 600 an hour.
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Person-hours effort calculator for project labor
6 people working 37.5 hours each put 225 person-hours into a project, and at a rate of 48.75 that is a labor cost of 10,968.75.
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Pomodoro Total Break Time Calculator
8 Pomodoros leave 7 breaks: 6 short ones totaling 30 minutes and 1 long break of 15, so 45 minutes of rest in the plan.
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Rotating meeting facilitator calculator
With Alice, Bob, Carol and Dana on the list, the first meeting (number 0) goes to Alice, Bob is next and Dana went before; after Dana the cycle starts again.
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Rotating shift schedule planner
A four-on, four-off cycle from 1 to 16 January 2026 gives 8 working days, 1 to 4 and 9 to 12 January, and 8 rest days.
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Schedule variance calculator
Earned value of 45,000 against planned value of 50,000 gives a schedule variance of −5,000 and an SPI of 0.9: the project is behind.
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Tasks per day target calculator
47 tasks in 6 working days means a target of 8 a day: five days of 8 and one day of 7 finish the list exactly, with no task left over.
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Team sprint capacity calculator
Five people over 10 working days at 8 hours a day with a 0.7 focus factor have 400 gross hours and 280 hours of real sprint capacity; the other 120 go to…
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Time Blocks per Day Calculator
A 480-minute workday with 60 minutes of breaks leaves 420 for focus: 8 complete blocks of 50 minutes, with 20 minutes left over that never pass for a ninth.
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Timebox end time calculator
A 90-minute block starting at 23:30 hard-stops at 01:00 the next day, and a 30-minute buffer moves the next block to 01:30.
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Two-minute rule task counter
Eight tasks of 0.5, 1, 2, 5, 15, 1.5, 30 and 2 minutes hold five quick wins worth 7 minutes, while three deferred tasks take 50.
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Billable weight calculator
Know what weight a carrier will bill before you print the label: a 5 lb box measuring 20 × 15 × 10 inches with divisor 139 bills at about 21.58 lb, on its…
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Boxes per pallet calculator
Plan a pallet load in complete boxes: 40 × 30 × 25 cartons on a 120 × 100 pallet with 150 of usable height give 9 per layer, 6 layers and 54 boxes.
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Cash on delivery total calculator
Know exactly what the courier should collect at the door: goods of 120, shipping of 15 and a COD fee of 5 make a collect total of 140, with a 135 subtotal for…
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Shipping fuel surcharge calculator
Turn a base shipping rate and the current fuel percentage into the amount to bill: a 48.5 base at 12.5% adds a 6.06 surcharge for a 54.56 freight total.
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Order handling fee calculator
Price order handling in one step: a 125.5 subtotal with a 3.25 fixed fee and a 4.5% fee gives 5.65 from the percentage, an 8.9 handling charge and a 134.4 order…
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Import Tax and VAT Estimate Calculator
See the extra charges before a cross-border parcel arrives: 200 of goods plus 30 shipping at 5% duty and 20% VAT bring 11.5 in duty, 48.3 in VAT and a landed…
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Pallet positions in container calculator
Know how much floor is left before the next pallet goes in: a 1203 × 235 cm container takes 25 pallets of 120 × 80, so with 18 loaded there are 7 positions open…
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Pallet Stack Height Calculator
Check a loaded pallet against a rack or trailer limit: six layers of 32.5 cm cartons make a 195 cm stack, and a 14.4 cm pallet base brings the total to 209.4…
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Shipping cost by weight calculator
Price a parcel from its weight in two clear steps: 3.5 kg at 1.80 per kilogram is a 6.30 weight charge, and a 4.25 base charge brings the shipping cost to…
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Shipping margin calculator
Charging 12.99 for shipping while paying 8.40 to the carrier and 1.35 for packaging leaves 3.24 of profit, a 24.94% margin.
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Affordable bundle check calculator
5 units at 12 plus 3 at 20 cost exactly 120, so with an income of 120 the bundle sits right on the budget line.
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Average Product of Labor Calculator
42 workers producing 1,575 units average 37.5 units each. Enter total output and the headcount for the same period to get the average product of labor, a plain…
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Average variable cost calculator
Variable costs of 1,200 spread over 100 units give an average variable cost of 12 per unit. Enter total variable cost and quantity to get the figure each unit's…
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Cobb-Douglas production output calculator
With productivity of 1.5, capital of 100, labor of 50 and exponents of 0.3 and 0.7, output is 92.335831000869 with constant returns to scale.
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Income CV calculator
Five incomes averaging 44,000 with a standard deviation of 20,591.260282 have a coefficient of variation of 0.467983, or 46.798319%.
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Four-Firm Concentration Ratio Calculator
If the four largest firms hold 28%, 22%, 17% and 11%, the CR4 is 78%. Enter every reported market share in any order and the calculator picks the top four, adds…
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Consumer Surplus Change Calculator
Raising the price from 20 to 30 cuts consumer surplus from 900 to 400, a buyer loss of 500. Enter the demand line and the old and new prices to see quantities…
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Consumer price index from basket calculator
A basket costing 65 at base prices and 77.5 at current prices has a consumer price index of 119.23, a 19.23% rise.
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Cross exchange rate calculator
If a euro is worth 1.08 dollars and a pound 1.26 dollars, one euro buys 0.857142857142857 pounds. Enter two rates quoted against the same third currency to get…
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Current account balance calculator
A trade balance of 120, net income from abroad of −35 and net transfers of 15 give a current account surplus of 100.
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Deadweight Loss from a Price Floor Calculator
A price floor of 30 above an equilibrium price of 20 cuts trade from 80 to 60 units and wipes out 166.666666666667 of total surplus.
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Economies of Scale Calculator
Making 1,000 units for 12,000 costs 12 each, while 2,000 units for 18,000 cost 9 each: a 25% drop that signals economies of scale.
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Effective price after subsidy calculator
A 25% subsidy on a list price of 100 leaves the buyer paying 75. Enter the price and a percentage or a fixed amount per unit to see the out-of-pocket price, the…
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Market equilibrium from linear demand and supply
With demand of 100 minus 2 times the price and supply of 20 plus 2 times the price, the market clears at a price of 20 and a quantity of 60.
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Market Equilibrium with a Per-Unit Tax Calculator
A tax of 9 per unit cuts trade from 40 to 34 units: buyers pay 33 instead of 30, sellers keep 24 and the state collects 306.
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Fixed cost calculator
Recover fixed cost from two totals: a total cost of 5000 with variable cost of 3200 leaves 1800 of fixed cost, a 0.36 share of the total.
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GDP deflator calculator
Turn nominal and real GDP into the economy-wide price index: nominal GDP of 1100 against real GDP of 1000 gives a GDP deflator of 110, 10 points above the base…
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GDP Per Capita Growth Rate Calculator
See how much output per person really grew: 5% GDP growth with 2% population growth gives about 2.941% per capita, not exactly 3%.
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Giffen Good Check Calculator from Price and Quantity Data
Check whether demand rises with price in your data: prices from 2 to 5 with quantities from 10 to 19 give a fitted slope of 2.9, so the good behaves like a…
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HDI Education Index Calculator
Turn two schooling figures into the education part of the HDI: 8.5 mean years and 13.2 expected years give an education index of 0.65.
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HHI market concentration classification
Find out which concentration band an HHI falls into: an HHI of 800 is competitive, below the 1500 threshold, while anything above 2500 counts as highly…
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Import Expenditure Calculator
Work out what imports cost in total: 800 units at a price of 12.5 each come to 10000, in the same currency as the price.
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Laffer Curve Tax Revenue Calculator
See how tax revenue rises and then falls as the rate climbs: with a base of 1000000 and a behavioral elasticity of 1.5, a 40% rate sits exactly at the revenue…
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Lerner index calculator
Gauge how much pricing power a firm has: a price of 100 with a marginal cost of 60 gives a Lerner index of 0.4, or 40%, a moderate level of market power.
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Loss-Minimizing Output Calculator
Decide whether producing at a loss beats shutting down: at a price of 18 and an average variable cost of 14, making 100 units loses 200, while shutting down…
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Marginal Cost vs Average Cost: Is ATC Rising or Falling?
Tell which way your average cost is heading: a marginal cost of 18 against an average total cost of 24 means average total cost is falling as output grows.
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Marginal external cost calculator
Measure the unpaid harm of one more unit: a marginal social cost of 18 against a marginal private cost of 12 leaves a marginal external cost of 6, the cost…
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Marginal rate of substitution calculator
Find how much of one good a consumer would trade for another: marginal utilities of 10 and 5 give a marginal rate of substitution of 2, so two units of Y for…
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