| Kabelanschluss (m) (TV) | cable TV connection |
| Kachelofen (m) | tiled stove |
| Kaltmiete (f) | rent without utilities / net rent |
| Kamin (m) | chimney |
| Kaminkopf (m) | chimney pot |
| Kanalisation (f) / Kanalnetz (n) | sewer / sewerage system |
| Kandidat (m) | candidate |
| Kapital (n), gebunden | fixed capital |
| Kapitalaufbringung (f) | fundraising |
| Kapitalaufwand (m) | capital investment |
| Kapitalbedarf (m) | capital requirements |
| Kapitalerhöhung (f) | capital increase |
| Kapitalertragsteuer (f) (KESt) | capital gains tax (CGT) |
| Kapitalgewinne (pl) | capital gains |
| kapitalisieren | capitalize, to |
| kapitalisiert auf Basis (f) ewiger Rente (f) | capitalized into perpetuity |
| Kapitallenkung (f) / Kapitallenkungsmaßnahmen (pl) | capital allocation (measures) |
| Kapitalmarkt (m), freier | free capital market |
| Kapitalrückzahlung (f) (als Teil der Kreditrückzahlung) | repayment of principal |
| Kapitalströme (pl) | capital flows |
| Kapitalwertsteigerung (f) | capital appreciation |
| Kataster (m/n) | cadastre |
| Katastralgemeinde (f) | cadastral district/office |
| Katastrophe (f) | disaster |
| Kauf (m) | acquisition / purchase |
| kaufen | acquire, to / purchase, to / buy, to |
| Käufer (m) | buyer |
| Kaufhaus (n) | department store |
| Kaufoption (f) | purchase option |
| Kaufpreis (m) | purchase price |
| Kaufprüfung (f) | due diligence report |
| Kaufrecht (n) zu reduziertem Preis (England: für Altmieter) | right to buy at a discount |
| Kaufvertrag (m) | purchase contract / sales agreement |
| kaum | barely |
| Kaution (f) | deposit |
| Keller (m) / Kellergeschoss (n) | cellar / basement |
| Kernpunkt (m) | essence / focal point |
| Kinderspielplatz (m) | playground |
| Klage (f) | claim / legal action |
| klagen (jur) | sue, to |
| Kläranlage (f) | sewage treatment plant |
| klassifizieren | grade, to / rate, to |
| Klausel (f) | clause / provision / term (of a contract) |
| kleben | stick, to |
| Kleiderschrank (m) | closet / wardrobe (BE) |
| kleine und mittlere Unternehmen (n/pl) (KMU) | small and medium sized enterprise(s) (SME) |
| kleine Wohnung (f) | small apartment / studio / small-sized dwelling |
| Kleingarten (m) | garden allotment |
| Kletterdarlehen (n) | stepped interest loan / climbing loan |
| Klimaanlage (f) | air-condition(ing) (AC) |
| Knappheit (f) | shortage |
| Kohle (f) | coal |
| Kollaudierung (f) | acceptance / final acceptance |
| Kollektivverhandlungen (pl) | collective bargaining |
| Kollektivvertrag (m) | collective agreement |
| Komitee (n) | committee |
| Kommanditgesellschaft (f) (KG) | limited partnership |
| Kommission (f) zur Mietenfestsetzung (England) | rent assessment committee |
| Kommissionsgebühren (pl) | commission fee |
| Kommunalsteuer (f) | municipal tax |
| Kommunalverwaltung (f) | municipal administration |
| Kompensationsanspruch (m) | claim to compensation |
| Komponente(n) (f/pl) | component(s) |
| Kondition(en) (f/pl) | condition(s) / term(s) |
| Konfliktsituation (f) | conflict situation |
| Konjunktureinbruch (m) | economic slump |
| Konkurrenz (f) | competition |
| Konkurrenzklausel (f) | noncompetition clause /non-compete clause |
| Konkurs (m) | bankruptcy |
| Konsole (f) | support / gallows bracket |
| Konsortialdarlehen (n) | syndicate loan / syndicated credit |
| Konsortium (n) | consortium / syndicate |
| Konstruktion (f) | structure |
| Konsument (m) | consumer |
| Konsumentenschutz (m) | consumer protection |
| Konsumentenschutzmaßnahme (f) | consumer protection measure |
| Konsumverhalten (n) | consumption pattern |
| Kontaminierung (f) | contamination |
| Kontoauszug (m) | statement (of account) |
| Kontoführungskosten (pl) | account management fee / bank charge |
| Kontokorrentkonto (n) | current account |
| Kontostand (m) | account balance |
| kontrollieren | monitor, to / check, to |
| Konventionalstrafe (f) | penalty |
| konvertierbar, nicht | inconvertible |
| Konvertierung (f) (einer Währung) | currency conversion / translation |
| Konzept (n) | scheme / concept |
| Konzession (f) | concession / license |
| Koordinator (m) | coordinator |
| Körperschaftsteuer (f) (KSt) | corporate tax |
| Korruption (f) | corruption / bribery |
| Kosten (pl) (Preis) | cost(s) |
| Kostenanstieg (m) | cost increase |
| Kostenaufstellung (f) | itemized list of costs / breakdown of costs |
| kostendeckend | cost covering |
| kostendeckender Verkaufspreis (m) | cost price |
| Kostendeckung (f) | cost-recovery |
| Kostendeckungsprinzip (n) | cost covering principle |
| Kostendruck (m) | cost pressure |
| Kostenmiete (f) | cost rent |
| Kostenschätzung (f) | cost estimate |
| Kostenverteilung (f) | cost distribution |
| Kostenvoranschlag (m) | cost estimate |
| Kredit (m) | loan (capital market) / lendings |
| Kreditansuchen (n) | application for a loan |
| Kreditantrag (m) | loan application |
| Kreditgeber (m) | lender |
| Kreditgebühr (f) | loan fee / loan charge |
| Kreditinanspruchnahme (f) | draw down / disbursement / loan drawing |
| Kreditkommission (f) | credit committee |
| Kreditlinie (f) | credit line |
| Kreditnachfrage (f) | credit demand |
| Kreditnehmer (m) | borrower / debtor |
| Kreditrahmen (m) | credit line |
| Kreditübernahme (f) | credit takeover |
| Kreditvertragsgebühr (f) | credit agreement fee |
| Kreditzusage (f) | loan commitment / loan approval |
| Kreuzung (f) / Kreuzungsbereich (m) | crossroads |
| Krise (f) | crisis |
| Kriterien (pl) | criteria / criterions |
| Kubikmeterpreis (m) | price per cubic meter |
| Küchenzeile (f) | kitchen unit / kitchenette |
| Kunde (m) | client / customer / contracting entity |
| Kundenberater (m) | customer adviser |
| Kundenbindung (f) | customer relationship management (CRM) |
| kündigen | give notice, to / dismiss, to (Angestellte) |
| Kündigung (f) | cancellation / termination |
| Kündigung (f) einer Hypothek (f) | foreclosure |
| Kündigungsgebühr (f) | cancellation fee / early repayment fee (Kredit) |
| Kündigungsschutz (m), gesetzlicher | statuary protection from eviction |
| Kunststofffenster (n/pl) | plastic window(s) / PVC window |
| Kupfer (n) | copper |
| Kursaussetzung (f) | suspension of quotation |
| Kursrisiko (n) | foreign exchange risk / exchange rate risk |
| Kursrückgang (m) | decline in prices / drop in prices |
| Kurssicherung (f) | hedging (fin) |
| kurzfristig | short-term |
| Kürzung (f) | reduction |
| Kurzzeitmiete (f) (befristet) | short-term rent /shorthold tenancy |