Free tools
Quick, no-signup calculators to put a real dollar figure on downtime and spreadsheet maintenance. Built by the team behind RunTight.
See what unplanned equipment breakdowns cost you per year — and how much a preventive maintenance program could save.
Open calculatorAdd up the hidden cost of tracking maintenance in a spreadsheet — admin hours, breakdowns, parts markup, audits — versus purpose-built software.
Open calculatorTurn operating hours, failure count, and repair time into MTBF, MTTR, and availability — the three numbers that describe equipment reliability.
Open calculatorWork out when to reorder each spare part from usage rate, supplier lead time, and safety stock — so parts arrive before you run out.
Open calculatorEstimate your annual maintenance budget from replacement asset value using the 2-5% rule, with a suggested split across labor, parts, contractors, and capital repairs.
Open calculatorWe also publish free, ready-to-use maintenance templates — PM schedules, work orders, inspection checklists, and parts inventory — as CSV downloads for Excel or Google Sheets. Browse the free templates →