AI
AI
AI Pricing Calculator
Plan AI product pricing from per-user costs, gross margin target, fees, and customer volume.
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All calculators
Browse the DTECALC library
A growing library of finance calculators, health calculators, math calculators, conversion tools, date tools, business calculators, and AI cost calculators.
AV
Math
Average Calculator
Find the arithmetic mean of a list of numbers.
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BM
PopularHealth
BMI Calculator
Calculate body mass index from height and weight.
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BO
Health
Body Fat Calculator
Estimate body fat percentage using common body measurements.
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LO
PopularFinance
Loan Calculator
Estimate monthly loan payments, total interest, and payoff costs.
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PE
PopularMath
Percentage Calculator
Solve percentage, percent-of, and percentage-change questions.
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CM
Conversion
CM to Inches
Convert centimeters to inches for measurements and dimensions.
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CE
Conversion
Celsius to Fahrenheit
Convert Celsius temperatures to Fahrenheit.
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CO
PopularFinance
Compound Interest Calculator
Project savings growth from principal, contributions, interest rate, and time.
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CA
Finance
Car Loan Calculator
Estimate monthly auto loan payments, total interest, and payoff cost before buying a car.
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RO
Finance
ROI Calculator
Measure return on investment as a percentage of the original cost.
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IN
Finance
Interest Calculator
Calculate simple interest, compound interest, and total growth over time.
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CA
Business
CAC Calculator
Calculate customer acquisition cost from sales and marketing spend.
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DA
Date & Time
Days Between Dates
Count the number of days between two calendar dates.
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FR
Math
Fraction Calculator
Add, subtract, multiply, divide, and simplify fractions.
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KG
Conversion
KG to LBS
Convert kilograms to pounds instantly.
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LL
PopularAI
LLM Cost Calculator
Compare large language model costs from token volume, request volume, and editable per-million-token rates.
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LT
Business
LTV Calculator
Estimate customer lifetime value from revenue, margin, and retention.
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AI
PopularAI
AI Token & Cost Estimator
Paste your prompt to accurately count tokens and estimate the API cost using real models.
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RE
Finance
Retirement Calculator
Estimate retirement savings needs and projected portfolio value.
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RE
Business
Revenue Calculator
Estimate revenue from price, quantity, and sales volume.
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TA
Finance
Tax Calculator
Estimate 2026 U.S. federal income tax liability, effective tax rate, and after-tax income.
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TI
Date & Time
Time Duration Calculator
Calculate elapsed time between two times or timestamps.
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WA
Health
Water Intake Calculator
Estimate daily water intake based on body weight and activity.
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AG
Date & Time
Age Calculator
Calculate exact age in years, months, and days.
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BM
Health
BMR Calculator
Estimate basal metabolic rate from age, height, weight, and sex.
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CL
AI
Claude Token Calculator
Estimate Claude API cost from prompt tokens, completion tokens, model pricing, and request volume.
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CA
PopularHealth
Calories Calculator
Estimate daily calorie needs for maintenance, loss, or gain goals.
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GP
AI
GPU Training Cost Calculator
Estimate model training cost from GPU count, hourly rate, training duration, and pricing mode.
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BR
Business
Break Even Calculator
Find the sales volume needed to cover fixed and variable costs.
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MI
Conversion
Miles to KM
Convert miles to kilometers for distance planning.
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SA
Finance
Salary Calculator
Convert salary, hourly pay, and pay periods for income planning.
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WE
Date & Time
Week Calculator
Find week numbers, date ranges, and week offsets.
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IN
Finance
Investment Calculator
Forecast investment value using contributions, return rate, and investment horizon.
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MO
PopularFinance
Mortgage Calculator
Calculate home loan payments with principal, interest, taxes, and insurance.
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GP
Math
GPA Calculator
Calculate grade point average from courses, credits, and grades.
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PR
PopularBusiness
Profit Calculator
Calculate profit and profit margin from revenue and costs.
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