Popular calculators

Estimate monthly loan payments, total interest, and total repayment.

Estimate how long it may take to reach a savings goal.

Estimate investment growth with compounding and contributions.

Add or extract VAT from a price and see net, tax, and gross totals.

Calculate percentages, increases, decreases, and simple percentage totals.

Calculate gross profit, margin percentage, and markup from revenue and cost.

Calculate return on ad spend from revenue and advertising cost.

Estimate monthly website ad revenue from pageviews, RPM, and fill rate.

Estimate monthly website hosting costs from plan, traffic, storage, backups, and support.

Estimate VRAM and RAM needs for running local AI models.

Estimate body mass index from height and weight.

Estimate trip cost, daily budget, and per-person travel cost.

Estimate monthly and annual cost of owning a car.

Estimate affordable rent based on income, debts, and target rent ratio.

Simplify aspect ratios and calculate matching dimensions.

Estimate mortgage principal, interest, taxes, insurance, and HOA payments.

Estimate take-home pay from salary, effective tax rate, deductions, and pay frequency.

Estimate future cost and purchasing power after inflation.

Calculate return on investment, net gain, and payback multiple.

Estimate AI API token costs from input tokens, output tokens, and request volume.

Estimate concrete volume, cubic yards, and bag quantities with waste.

Estimate crypto profit, ROI, fees, and break-even price.

Estimate how long it may take to pay off debt and how much interest you could pay.

Estimate a practical emergency fund target and how long it may take to save it.

Estimate future retirement savings from current balance, contributions, return, and target.

Estimate credit card payoff time and interest from APR, payment, and monthly charges.

Estimate car loan payments after down payment, trade-in, tax, fees, rate, and term.

Estimate monthly surplus, savings rate, and spending breakdown from income and expenses.

Calculate selling price, markup, gross profit, and margin from cost.

Calculate customer acquisition cost from sales, marketing, and new customers.

Estimate customer lifetime value from revenue, gross margin, and churn.

Calculate customer churn rate, retention rate, and ending customers.

Estimate API request costs from request volume, token usage, and per-million pricing.

Estimate daily protein intake from body weight and fitness goal.

Estimate tiles, boxes, waste, and material cost for a floor or wall.

Estimate fuel cost from distance, fuel economy, fuel price, and trips.

Estimate total study hours, daily targets, and review time before a deadline.

Plan remaining study hours, sessions, and daily load before an exam date.

Count words, characters, sentences, and estimated reading time from pasted text.

Generate a CSS clamp() expression from min and max size and viewport widths.

Estimate JSON byte size, minified size, and parse validity from pasted JSON.

Estimate monthly grocery budget, per-person cost, and buffer from weekly spending.

Convert a travel budget into destination currency with card or exchange fees.

Estimate PTO days needed for a trip after weekends, holidays, and buffer days.

Estimate trading, spread, network, and withdrawal fees for a crypto transaction.