> For the complete documentation index, see [llms.txt](/llms.txt).
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- business
15 endpoints

# Business API

Same bearer token, same credit pool, same JSON envelope as every other endpoint — drop them into apps, sites, workflows, or agents without rebuilding formulas, validation, or docs.
[Start free →](/billing/checkout/?plan=free) [View OpenAPI](/v1/docs) [All categories](/tools/)
Cost Calculators
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Employee Cost Calculator employee-cost-calculator
True employer cost of a hire: salary plus payroll taxes, benefits, PTO, equipment, training, and recruiting.
1cr · v2026-04-22
](/tools/employee-cost-calculator/) [
EOQ Calculator eoq-calculator
Economic Order Quantity that minimizes combined ordering and holding cost, with orders/year, cycle length, and reorder point.
1cr · v2026-04-22
](/tools/eoq-calculator/) [
Print Cost Calculator print-cost-calculator
Calculate ink, toner, paper, print job, monthly, and yearly printing costs.
1cr · v2026-04-22
](/tools/print-cost-calculator/)
Customer Experience
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CSAT Score Calculator csat-score-calculator
Calculate customer satisfaction percentage, average rating and rating distribution from 1–5 response counts.
1cr · v2026-04-22
](/tools/csat-score-calculator/)
Human Resources
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Bradford Factor Calculator bradford-factor-calculator
Calculate an attendance Bradford Factor from absence spells and total absent days.
1cr · v2026-04-22
](/tools/bradford-factor-calculator/) [
Compa-Ratio Calculator compa-ratio-calculator
Compare salary with a pay-range midpoint and calculate range penetration.
1cr · v2026-04-22
](/tools/compa-ratio-calculator/) [
Employee Turnover Rate Calculator employee-turnover-rate-calculator
Calculate period and annualized employee turnover from average headcount and separations.
1cr · v2026-04-22
](/tools/employee-turnover-rate-calculator/) [
FTE Calculator fte-calculator
Convert full-time and part-time headcount and hours into full-time equivalents.
1cr · v2026-04-22
](/tools/fte-calculator/)
Operations
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Billable Utilization Calculator billable-utilization-calculator
Calculate billable utilization, target gap, revenue and gross margin for a work period.
1cr · v2026-04-22
](/tools/billable-utilization-calculator/)
Productivity
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Revenue Per Employee Calculator revenue-per-employee-calculator
Calculate revenue per employee for a period and annualized basis.
1cr · v2026-04-22
](/tools/revenue-per-employee-calculator/)
Profitability
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Contribution Margin Calculator contribution-margin-calculator
Calculate unit and total contribution margin, ratio, profit, and break-even units.
1cr · v2026-04-22
](/tools/contribution-margin-calculator/)
Reliability
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MTBF & MTTR Calculator mtbf-mttr-calculator
Calculate MTBF, MTTR, availability and failure rate from operational totals or direct metrics.
1cr · v2026-04-22
](/tools/mtbf-mttr-calculator/)
Research
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Survey Response Rate Calculator survey-response-rate-calculator
Calculate complete and overall survey response rates, completion rate and approximate margin of error.
1cr · v2026-04-22
](/tools/survey-response-rate-calculator/)
Small Business Calculators
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Lemonade Stand Calculator lemonade-stand-calculator
Calculate batch cost, cup cost, break-even cups, and daily lemonade stand profit.
1cr · v2026-04-22
](/tools/lemonade-stand-calculator/)
Social Media
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Follower Growth Rate Calculator follower-growth-rate-calculator
Measure absolute, percentage, compound and annualized follower growth and estimate time to a goal.
1cr · v2026-04-22
](/tools/follower-growth-rate-calculator/)
API OPERATIONAL v1 · OpenAPI 3.1 · MCP 2025-06-18
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