{"success":true,"version":"v1","request":{"tool":"get_calculator_schema","calculator_id":"conversion-rate"},"result":{"entity_type":"calculator","id":"conversion-rate","calculator_id":"conversion-rate","canonical_url":"https://tttkmbb.com/business/conversion-rate","name":"Conversion Rate Calculator","title":"Conversion Rate Calculator – Rate from Visitors and Conversions, Traffic Needed for a Target","category":"business","category_name":"Business & Marketing","tool_name":"calculate_conversion_rate","featured_mcp_tool":false,"description":"Computes the conversion rate (conversions / visitors × 100), conversions per 1,000 visitors and visitors per conversion, and the number of visitors required to reach a target number of conversions at the same rate.","use_when":"You have visitor and conversion counts for a page, funnel step, email or campaign and need the rate or the traffic a conversion goal requires.","do_not_use_when":"You are comparing two variants for statistical significance (use ab-test-significance) or need cost-based metrics such as CPA (use ad-metrics).","inputs":[{"name":"visitors","label":"Visitors","type":"integer","required":true,"max":10000000000000,"exclusive_min":0,"description":"Number of visitors, sessions, recipients or users exposed to the step.","example":2500},{"name":"conversions","label":"Conversions","type":"integer","required":true,"min":0,"max":10000000000000,"description":"Number of them that completed the goal (purchase, sign-up, click).","example":75},{"name":"target_conversions","label":"Target conversions","type":"integer","required":false,"max":10000000000000,"exclusive_min":0,"description":"Optional conversion goal; returns the visitors needed at the observed rate.","example":300}],"outputs":[{"name":"conversion_rate_percent","label":"Conversion rate","type":"number","unit":"%","decimals":2,"description":"conversions / visitors × 100."},{"name":"conversions_per_1000_visitors","label":"Conversions per 1,000 visitors","type":"number","decimals":2,"description":"conversions / visitors × 1000."},{"name":"visitors_per_conversion","label":"Visitors per conversion","type":"number","decimals":2,"description":"visitors / conversions (only when conversions > 0)."},{"name":"required_visitors_for_target","label":"Visitors needed for target","type":"number","decimals":0,"description":"target_conversions / conversion rate, rounded up (only when target_conversions given and conversions > 0)."}],"input_schema":{"type":"object","properties":{"visitors":{"description":"Number of visitors, sessions, recipients or users exposed to the step.","type":"integer","maximum":10000000000000,"exclusiveMinimum":0,"examples":[2500]},"conversions":{"description":"Number of them that completed the goal (purchase, sign-up, click).","type":"integer","minimum":0,"maximum":10000000000000,"examples":[75]},"target_conversions":{"description":"Optional conversion goal; returns the visitors needed at the observed rate.","type":"integer","maximum":10000000000000,"exclusiveMinimum":0,"examples":[300]}},"additionalProperties":false,"required":["visitors","conversions"]},"output_schema":{"type":"object","properties":{"conversion_rate_percent":{"description":"conversions / visitors × 100. Unit: %.","type":"number","x-unit":"%"},"conversions_per_1000_visitors":{"description":"conversions / visitors × 1000.","type":"number"},"visitors_per_conversion":{"description":"visitors / conversions (only when conversions > 0).","type":"number"},"required_visitors_for_target":{"description":"target_conversions / conversion rate, rounded up (only when target_conversions given and conversions > 0).","type":"number"}}},"formula":"conversion_rate_percent = conversions / visitors × 100; visitors_per_conversion = visitors / conversions; required_visitors = ceil(target_conversions × visitors / conversions)","sources":[{"name":"Google Ads Help – Conversion rate: Definition","url":"https://support.google.com/google-ads/answer/2684489","type":"reference","retrieved_at":"2026-09-24"},{"name":"Wikipedia – Conversion rate optimization","url":"https://en.wikipedia.org/wiki/Conversion_rate_optimization","type":"reference","retrieved_at":"2026-09-24"}],"freshness":{"type":"static","max_age_seconds":null,"note":"Deterministic formula with fixed constants; results never go stale. Inputs supplied by the caller determine the output."},"examples":[{"name":"2,500 visitors, 75 conversions, target 300","inputs":{"visitors":2500,"conversions":75,"target_conversions":300},"expected":{"conversion_rate_percent":3,"conversions_per_1000_visitors":30,"visitors_per_conversion":33.33,"required_visitors_for_target":10000},"url":"https://tttkmbb.com/api/v1/calculate/conversion-rate?visitors=2500&conversions=75&target_conversions=300"},{"name":"800 visitors, 12 conversions","inputs":{"visitors":800,"conversions":12},"expected":{"conversion_rate_percent":1.5,"conversions_per_1000_visitors":15,"visitors_per_conversion":66.67},"url":"https://tttkmbb.com/api/v1/calculate/conversion-rate?visitors=800&conversions=12"}],"faq":[{"q":"Should I count visitors or sessions?","a":"Use the same unit consistently with the conversion definition: unique visitors for 'share of people who converted', sessions for 'share of visits'. Rates differ between the two."},{"q":"How precise is a rate from a small sample?","a":"A rate from 75 conversions has roughly ±0.7 percentage points of sampling error at 95 % confidence; use margin-of-error to quantify it."}],"tags":["conversion rate calculator","cro","conversions per visitor","funnel conversion","traffic needed"],"related":[{"calculator_id":"ab-test-significance","reason":"Test whether two conversion rates differ significantly."},{"calculator_id":"margin-of-error","reason":"Confidence interval for the observed rate."},{"calculator_id":"ad-metrics","reason":"Cost-based ad metrics such as CPC and CPA."}],"links":{"html":"https://tttkmbb.com/business/conversion-rate","markdown":"https://tttkmbb.com/business/conversion-rate.md","json":"https://tttkmbb.com/business/conversion-rate.json","api":"https://tttkmbb.com/api/v1/calculate/conversion-rate","schema":"https://tttkmbb.com/api/v1/calculators/conversion-rate","openapi":"https://tttkmbb.com/openapi.json","mcp":"https://tttkmbb.com/mcp"},"version":"v1","updated_at":"2026-09-24"},"timestamp":"2026-09-24T01:45:04Z"}