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34 calculatorsBolt Pattern Force Distribution
The elastic-method load on every bolt of an in-plane pattern under an eccentric force — centroid, direct shear and the critical bolt's load, straight from the bolt coordinates.
Discount Calculator
The final price after a percentage discount.
Fuel Cost
What a trip costs in fuel, from distance, consumption and fuel price.
Decimal Hours
Convert hours and minutes into decimal hours for timesheets.
Final Grade Needed
The score you need on the final exam to end up with your target grade.
Running Pace
Your pace per kilometre from distance and finish time.
Dog Years
Your dog's age in human years (the classic ×7 rule of thumb).
Percentage Change
The percentage increase or decrease between two values.
Price per m²
Compare homes fairly — purchase price divided by living area.
Average Speed
Average speed from distance travelled and time taken.
Paint Needed
Litres of paint for a wall or room, from area and coverage.
Daily Travel Budget
How much you can spend per day from your total trip budget.