Calculators
Decision-support tools for sizing, cost, capacity, runtime, ownership, and other practical planning questions.
Estimate a 529 account balance at a future date using a starting balance, monthly end-of-month contributions, years until use, and a fixed positive annual return. The estimate excludes fees and taxes.
Estimate a premature baby's adjusted age by subtracting the weeks born before 40 weeks of pregnancy from their chronological age in weeks.
Estimate a planning total for adoption-related expenses using your own expected costs. This worksheet adds agency or professional fees, travel, home preparation, and other expenses. It is not a quote or a prediction of what an adoption will cost.
Estimate the cost of making copies for adoption or foster care paperwork by multiplying the number of documents by the cost per copy. This estimate covers copy charges only.
Estimate the total postage or mailing expense for adoption and foster care documents by multiplying the number of mailings by the cost per mailing. Enter your own rate; this estimate excludes any separate service, printing, packaging, or delivery fees unless you include them in the per-mailing amount.
Estimate a possible reimbursement from expense amounts and a user-entered reimbursement share. This worksheet does not determine whether any expense qualifies under a specific program or agreement.
Estimate a fundraising goal from your planned adoption-related costs, expected contributions, and a contingency allowance. This simple planning estimate does not predict donations or replace guidance from your adoption professional.
Estimate the remaining amount of your planned adoption expenses after subtracting grants, fundraising, and other funding you enter. This simple budgeting estimate does not predict grant eligibility or award amounts.
Estimate home study costs by adding the provider fee, required checks and documents, preparation costs, and travel based on your own quotes and mileage assumptions.
Estimate a savings target by multiplying the number of adoption or foster care leave weeks you plan to cover by the amount you can save each week. This simple worksheet-style estimate assumes a steady weekly savings amount and does not estimate leave income, expenses, or eligibility for benefits.
Estimate the combined cost of adoption paperwork and document translation using the number of documents, cost per document, translation pages, and cost per page that you enter. This is a simple planning estimate and does not include other adoption expenses.
Estimate the basic copying charge for adoption records using the number of pages and the copying cost per page. This simple estimate excludes any separate search, certification, postage, or handling charges.
Estimate the monthly amount needed to reach a user-defined adoption savings target over a chosen timeline, based on the remaining amount to save.
Estimate childcare costs during an adoption or foster care transition using weekly care hours, hourly rate, number of weeks, and one-time setup costs. This is a planning estimate based on the amounts you enter.
Estimate a planning total for adoption-related travel using your trip count, travelers, nights, lodging, meals, and local transportation. Enter expected per-person or per-night amounts in your chosen currency.
Estimate the mileage cost of adoption-related visits using your monthly visit count, round-trip distance, number of months, and cost per mile.
Estimate the total budget for adoption welcome kits by multiplying the number of kits by the cost of each kit. Enter the same currency for every kit cost. This simple estimate excludes shipping, taxes, and other expenses unless you include them in the per-kit amount.
Calculate the elapsed difference between two dates of birth in years, months, and days. Enter both birth dates as calendar components to compare them using a standard date-borrowing method.
Estimate a birthday party budget by adding venue, food, decorations, and activities costs, then applying a contingency percentage to the subtotal.
Estimate monthly and annual childcare costs from weekly care hours, care days, hourly rate, and additional weekly fees. The estimate assumes 4.33 weeks per month.
Estimate a monthly childcare subsidy from your eligible monthly care cost and the share covered by a program. This simple worksheet does not determine eligibility or reflect any specific program's rules.
Estimate the total budget for a children's book collection by multiplying the number of books by the average cost per book. Enter a consistent average cost for the books you plan to include.
Estimate diaper spending over a chosen period from daily diaper use, package size, package price, and the number of days. The estimate assumes one consistent diaper type and price.
Estimate the number of diapers needed for a planning period using your average daily usage and an optional extra supply percentage.
Estimate how much of a fundraising total would be allocated to a selected purpose using a share you choose. This simple planning estimate does not account for payment processing, operating costs, restrictions, or tax treatment.
Estimate how many recipient-equivalents a donation could support using your donation amount, planned program allocation, estimated cost per item, and items needed per recipient. This is a planning estimate based on the figures you enter.
Estimate the total value of planned cash donations by multiplying the amount per gift by the number of gifts. This simple arithmetic estimate does not assign a value to donated goods, volunteer time, or tax benefits.
Estimate the gift amounts and donor counts needed at each level of a fundraising pyramid to reach a campaign goal. The model assumes each level's donors give the same average gift and uses the entered donor counts and gift amounts as planning assumptions.
Estimate the share of donors from a prior giving period who gave again in the current period. Enter the number of prior-period donors and how many of them donated again.
Estimate the total budget for a set of family activities by multiplying the number of activities by the cost per activity. This simple estimate assumes each activity has the same cost.
Estimate the monthly amount left in a household budget after income and listed expenses. This worksheet-style estimate does not determine adoption or foster care costs or benefits.
Estimate your household’s monthly expenses by adding the amounts you enter for housing, food, childcare, transportation, and other costs. Enter each amount in dollars per month.
Estimate a weekly grocery budget from household size, planned meals at home, and average grocery cost per person per meal. This simple estimate uses the same per-person meal cost across household members and meals.
Estimate the total time for a family outing by adding travel, planned activity, and meal minutes. The estimate includes only the time entered and does not account for waiting or schedule changes.
Estimate the travel cost of foster care visits by multiplying round-trip distance by the number of visits and the cost per mile. Enter your own mileage rate and visit count.
Estimate gross ticket revenue by multiplying the number of tickets sold by the price per ticket. This simple estimate excludes fees, refunds, discounts, and other event income.
Estimate the net profit from a fundraising event by subtracting direct event costs and fixed expenses from gross revenue. This simple model uses the amounts you enter and does not include taxes or indirect organizational costs.
Estimate a fundraising campaign's net return as a percentage of its costs using the funds raised and total campaign costs you provide.
Track how much of a fundraising goal has been reached and how much remains using the current total and target amount.
Estimate a planning total by adding the expenses you enter for an international adoption. This worksheet covers only the categories listed and does not predict agency, country, travel, or other costs you have not entered.
Estimate a child's target height from both parents' heights using a standard sex-adjusted mid-parental height formula. This is a rough family-based estimate, not a prediction of an individual child's adult height.
Estimate a nanny's gross pay for a scheduled work period from hourly rate, regular hours, overtime hours, and a user-entered overtime multiplier. This estimate does not calculate taxes, benefits, or legal entitlements.
Calculate how much of a fundraising or volunteer goal has been achieved as a percentage of the target.
Estimate a family's school supply budget by multiplying the number of children by the planned supply cost per child.
Add a child's recreational screen time across devices to estimate the daily total and compare it with a family-set planning target. This tracker does not judge whether a particular amount is appropriate.
Estimate the furniture budget for a shared bedroom by multiplying the number of beds and dressers by their respective per-item costs, then adding the subtotals.
Estimate a sponsorship package's planning value from audience reach, engagement, placement prominence, and activation deliverables. This transparent model is a starting point for discussion, not a market quote.
Estimate a volunteer event's supply budget by multiplying the number of volunteers by the planned supply cost per person.
Estimate total volunteer hours from the number of volunteers and the hours each person contributes. Use the result to summarize a fundraising or community service effort; it does not store individual time entries.
Estimate the replacement value of volunteer service by multiplying hours contributed by an hourly comparison rate you choose. This is a planning estimate, not a measure of a volunteer’s worth or a guaranteed cash saving.