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time converter

10 units · base: s

Convert durations: ms, s, min, h, day, week, month, year…

Instant calculation
SI-based
10 units
CONVERSION_TABLE

1 s = how much?

Equivalences of 1 seconde (s) in all available time units.

UNIT_01ns
Nanoseconde
1 s = 1 000 000 000 ns
UNIT_02µs
Microseconde
1 s = 1 000 000 µs
UNIT_03ms
Milliseconde
1 s = 1 000 ms
UNIT_04min
Minute
1 s = 0,0166666667 min
UNIT_05h
Heure
1 s = 0,0002777778 h
UNIT_06j
Jour
1 s = 0,0000115741 j
COMMON_CONVERSIONS

Most used conversions

The most searched time conversions in everyday use.

CONV_01
NanosecondeMicroseconde
1 ns = 0,001 µs
CONV_02
NanosecondeMilliseconde
1 ns = 0,000001 ms
CONV_03
NanosecondeSeconde
1 ns = 1.000000e-9 s
CONV_04
NanosecondeMinute
1 ns = 1.666667e-11 min
CONV_05
NanosecondeHeure
1 ns = 2.777778e-13 h
CONV_06
NanosecondeJour
1 ns = 1.157407e-14 j
CONV_07
NanosecondeSemaine
1 ns = 1.653439e-15 sem
CONV_08
NanosecondeMois (moy.)
1 ns = 3.802571e-16 mois
METHODOLOGY

How to convert time

Enter

Type the value to convert in the "Value" field of the time converter.

Choose

Select the source unit ("From") and the target unit ("To") from the 10 available units.

Read the result

The result appears instantly, calculated according to International System of Units (SI) standards.

USE_CASES

What this converter is used for

Studies & science

Convert time values for classes, lab work, or scientific reports with SI-compliant precision.

Work & engineering

Handle time units from different systems (metric, imperial) in your professional projects.

Everyday life

Quickly understand time values shown on foreign products, recipes, or instruction manuals.

SEO_CONTENT

Everything about the time converter

Complete guide: uses, benefits, privacy, and additional tools.

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Convert time online

Convert durations: ms, s, min, h, day, week, month, year… This category includes 10 units, with Seconde (s) as the reference unit. Calculations are performed directly in your browser, in full privacy and without any installation.

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Based on the International System of Units (SI)

All conversions are based on the official factors of the International System of Units (SI) and ISO standards. No intermediate rounding is applied to preserve precision. Calculations are performed directly in your browser, in full privacy and without any installation.

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Free conversion, no sign-up required

Unlike other online tools, Convertly UNITS is 100% free. No sign-up, no email required. Convert as many values as you need, with no quotas or limitations. Calculations are performed directly in your browser, in full privacy and without any installation.

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Local and private calculation

The values you enter never leave your device. All calculations run locally in the browser — no data is transmitted or stored. See our privacy policy.

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Main time units

This converter supports 10 units: Nanoseconde (ns), Microseconde (µs), Milliseconde (ms), Seconde (s), Minute (min), Heure (h), Jour (j), Semaine (sem)…. All are accessible via the converter selector.

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Discover our other unit converters

Convertly UNITS covers 14 unit categories: length, mass, temperature, speed, volume, area, and more. Also try length / mass.

FAQ_UNITS

Frequently asked questions about time units

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